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Finding the Fourth Proportional to 8,863.84, 12,232.18 and 4,885.10

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Solution

The fourth proportional to 8,863.84, 12,232.18 and 4,885.10 is: 6,741.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.84 : 12,232.18 = 4,885.10 : x
  2. Step 2: Convert to fraction form
    8,863.84/12,232.18 = 4,885.10/x
  3. Step 3: Cross multiply
    8,863.84x = 12,232.18 × 4,885.10
  4. Step 4: Simplify right side
    8,863.84x = 59,755,404.15
  5. Step 5: Solve for x
    x = 59,755,404.15/8,863.84
  6. Step 6: Final answer
    x = 6,741.48

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Half scale
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Double scale
Find fourth proportional to 8,864.84, 12,233.56 and 4,886.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.