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Finding the Fourth Proportional to 25,737.70, 38,628.70 and 14,666.62

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Solution

The fourth proportional to 25,737.70, 38,628.70 and 14,666.62 is: 22,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,737.70 : 38,628.70 = 14,666.62 : x
  2. Step 2: Convert to fraction form
    25,737.70/38,628.70 = 14,666.62/x
  3. Step 3: Cross multiply
    25,737.70x = 38,628.70 × 14,666.62
  4. Step 4: Simplify right side
    25,737.70x = 566,552,463.99
  5. Step 5: Solve for x
    x = 566,552,463.99/25,737.70
  6. Step 6: Final answer
    x = 22,012.55

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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.