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Finding the Fourth Proportional to 8,916.10, 12,302.52 and 4,937.02

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Solution

The fourth proportional to 8,916.10, 12,302.52 and 4,937.02 is: 6,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.10 : 12,302.52 = 4,937.02 : x
  2. Step 2: Convert to fraction form
    8,916.10/12,302.52 = 4,937.02/x
  3. Step 3: Cross multiply
    8,916.10x = 12,302.52 × 4,937.02
  4. Step 4: Simplify right side
    8,916.10x = 60,737,787.29
  5. Step 5: Solve for x
    x = 60,737,787.29/8,916.10
  6. Step 6: Final answer
    x = 6,812.15

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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.