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Finding the Fourth Proportional to 47,304.92, 65,212.98 and 37,215.87

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Solution

The fourth proportional to 47,304.92, 65,212.98 and 37,215.87 is: 51,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,304.92 : 65,212.98 = 37,215.87 : x
  2. Step 2: Convert to fraction form
    47,304.92/65,212.98 = 37,215.87/x
  3. Step 3: Cross multiply
    47,304.92x = 65,212.98 × 37,215.87
  4. Step 4: Simplify right side
    47,304.92x = 2,426,957,785.99
  5. Step 5: Solve for x
    x = 2,426,957,785.99/47,304.92
  6. Step 6: Final answer
    x = 51,304.55

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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.