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Finding the Fourth Proportional to 71,807.40, 107,711.88 and 25,060.44

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Solution

The fourth proportional to 71,807.40, 107,711.88 and 25,060.44 is: 37,590.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,807.40 : 107,711.88 = 25,060.44 : x
  2. Step 2: Convert to fraction form
    71,807.40/107,711.88 = 25,060.44/x
  3. Step 3: Cross multiply
    71,807.40x = 107,711.88 × 25,060.44
  4. Step 4: Simplify right side
    71,807.40x = 2,699,307,106.03
  5. Step 5: Solve for x
    x = 2,699,307,106.03/71,807.40
  6. Step 6: Final answer
    x = 37,590.93

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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.