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Finding the Fourth Proportional to 38,695.59, 58,043.34 and 10,615.95

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Solution

The fourth proportional to 38,695.59, 58,043.34 and 10,615.95 is: 15,923.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,695.59 : 58,043.34 = 10,615.95 : x
  2. Step 2: Convert to fraction form
    38,695.59/58,043.34 = 10,615.95/x
  3. Step 3: Cross multiply
    38,695.59x = 58,043.34 × 10,615.95
  4. Step 4: Simplify right side
    38,695.59x = 616,185,195.27
  5. Step 5: Solve for x
    x = 616,185,195.27/38,695.59
  6. Step 6: Final answer
    x = 15,923.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.