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Finding the Fourth Proportional to 51,875.87, 71,590.01 and 29,215.71

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Solution

The fourth proportional to 51,875.87, 71,590.01 and 29,215.71 is: 40,318.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,875.87 : 71,590.01 = 29,215.71 : x
  2. Step 2: Convert to fraction form
    51,875.87/71,590.01 = 29,215.71/x
  3. Step 3: Cross multiply
    51,875.87x = 71,590.01 × 29,215.71
  4. Step 4: Simplify right side
    51,875.87x = 2,091,552,824.98
  5. Step 5: Solve for x
    x = 2,091,552,824.98/51,875.87
  6. Step 6: Final answer
    x = 40,318.42

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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.