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Finding the Fourth Proportional to 8,863.94, 12,232.18 and 4,885.05

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Solution

The fourth proportional to 8,863.94, 12,232.18 and 4,885.05 is: 6,741.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.94 : 12,232.18 = 4,885.05 : x
  2. Step 2: Convert to fraction form
    8,863.94/12,232.18 = 4,885.05/x
  3. Step 3: Cross multiply
    8,863.94x = 12,232.18 × 4,885.05
  4. Step 4: Simplify right side
    8,863.94x = 59,754,798.70
  5. Step 5: Solve for x
    x = 59,754,798.70/8,863.94
  6. Step 6: Final answer
    x = 6,741.34

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Half scale
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Double scale
Find fourth proportional to 8,864.94, 12,233.56 and 4,886.05
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.