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Finding the Fourth Proportional to 29,545.49, 40,787.81 and 22,816.01

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Solution

The fourth proportional to 29,545.49, 40,787.81 and 22,816.01 is: 31,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,545.49 : 40,787.81 = 22,816.01 : x
  2. Step 2: Convert to fraction form
    29,545.49/40,787.81 = 22,816.01/x
  3. Step 3: Cross multiply
    29,545.49x = 40,787.81 × 22,816.01
  4. Step 4: Simplify right side
    29,545.49x = 930,614,762.82
  5. Step 5: Solve for x
    x = 930,614,762.82/29,545.49
  6. Step 6: Final answer
    x = 31,497.70

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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.