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Finding the Fourth Proportional to 8,863.82, 12,232.08 and 4,885.10

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Solution

The fourth proportional to 8,863.82, 12,232.08 and 4,885.10 is: 6,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.82 : 12,232.08 = 4,885.10 : x
  2. Step 2: Convert to fraction form
    8,863.82/12,232.08 = 4,885.10/x
  3. Step 3: Cross multiply
    8,863.82x = 12,232.08 × 4,885.10
  4. Step 4: Simplify right side
    8,863.82x = 59,754,934.01
  5. Step 5: Solve for x
    x = 59,754,934.01/8,863.82
  6. Step 6: Final answer
    x = 6,741.44

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Half scale
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Double scale
Find fourth proportional to 8,864.82, 12,233.46 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.