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Finding the Fourth Proportional to 67,487.91, 93,133.71 and 37,272.66

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Solution

The fourth proportional to 67,487.91, 93,133.71 and 37,272.66 is: 51,436.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,487.91 : 93,133.71 = 37,272.66 : x
  2. Step 2: Convert to fraction form
    67,487.91/93,133.71 = 37,272.66/x
  3. Step 3: Cross multiply
    67,487.91x = 93,133.71 × 37,272.66
  4. Step 4: Simplify right side
    67,487.91x = 3,471,341,107.37
  5. Step 5: Solve for x
    x = 3,471,341,107.37/67,487.91
  6. Step 6: Final answer
    x = 51,436.49

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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.