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Finding the Fourth Proportional to 67,907.70, 93,708.20 and 37,691.58

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Solution

The fourth proportional to 67,907.70, 93,708.20 and 37,691.58 is: 52,011.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,907.70 : 93,708.20 = 37,691.58 : x
  2. Step 2: Convert to fraction form
    67,907.70/93,708.20 = 37,691.58/x
  3. Step 3: Cross multiply
    67,907.70x = 93,708.20 × 37,691.58
  4. Step 4: Simplify right side
    67,907.70x = 3,532,009,928.50
  5. Step 5: Solve for x
    x = 3,532,009,928.50/67,907.70
  6. Step 6: Final answer
    x = 52,011.92

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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.