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Finding the Fourth Proportional to 67,972.60, 93,798.93 and 37,759.87

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Solution

The fourth proportional to 67,972.60, 93,798.93 and 37,759.87 is: 52,106.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,972.60 : 93,798.93 = 37,759.87 : x
  2. Step 2: Convert to fraction form
    67,972.60/93,798.93 = 37,759.87/x
  3. Step 3: Cross multiply
    67,972.60x = 93,798.93 × 37,759.87
  4. Step 4: Simplify right side
    67,972.60x = 3,541,835,402.94
  5. Step 5: Solve for x
    x = 3,541,835,402.94/67,972.60
  6. Step 6: Final answer
    x = 52,106.81

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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.