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Finding the Fourth Proportional to 67,735.05, 93,470.67 and 37,518

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Solution

The fourth proportional to 67,735.05, 93,470.67 and 37,518 is: 51,772.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,735.05 : 93,470.67 = 37,518 : x
  2. Step 2: Convert to fraction form
    67,735.05/93,470.67 = 37,518/x
  3. Step 3: Cross multiply
    67,735.05x = 93,470.67 × 37,518
  4. Step 4: Simplify right side
    67,735.05x = 3,506,832,597.06
  5. Step 5: Solve for x
    x = 3,506,832,597.06/67,735.05
  6. Step 6: Final answer
    x = 51,772.79

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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.