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Finding the Fourth Proportional to 20,737.10, 29,061.10 and 20,737.10

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Solution

The fourth proportional to 20,737.10, 29,061.10 and 20,737.10 is: 29,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737.10 : 29,061.10 = 20,737.10 : x
  2. Step 2: Convert to fraction form
    20,737.10/29,061.10 = 20,737.10/x
  3. Step 3: Cross multiply
    20,737.10x = 29,061.10 × 20,737.10
  4. Step 4: Simplify right side
    20,737.10x = 602,642,936.81
  5. Step 5: Solve for x
    x = 602,642,936.81/20,737.10
  6. Step 6: Final answer
    x = 29,061.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.