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Finding the Fourth Proportional to 51,737.74, 71,404.00 and 28,769.85

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Solution

The fourth proportional to 51,737.74, 71,404.00 and 28,769.85 is: 39,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,737.74 : 71,404.00 = 28,769.85 : x
  2. Step 2: Convert to fraction form
    51,737.74/71,404.00 = 28,769.85/x
  3. Step 3: Cross multiply
    51,737.74x = 71,404.00 × 28,769.85
  4. Step 4: Simplify right side
    51,737.74x = 2,054,282,047.04
  5. Step 5: Solve for x
    x = 2,054,282,047.04/51,737.74
  6. Step 6: Final answer
    x = 39,705.68

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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.