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Finding the Fourth Proportional to 14,772.17, 22,133.18 and 8,916.48

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Solution

The fourth proportional to 14,772.17, 22,133.18 and 8,916.48 is: 13,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.17 : 22,133.18 = 8,916.48 : x
  2. Step 2: Convert to fraction form
    14,772.17/22,133.18 = 8,916.48/x
  3. Step 3: Cross multiply
    14,772.17x = 22,133.18 × 8,916.48
  4. Step 4: Simplify right side
    14,772.17x = 197,350,079.10
  5. Step 5: Solve for x
    x = 197,350,079.10/14,772.17
  6. Step 6: Final answer
    x = 13,359.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.