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Finding the Fourth Proportional to 60,725.70, 83,840.47 and 38,095.72

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Solution

The fourth proportional to 60,725.70, 83,840.47 and 38,095.72 is: 52,596.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,725.70 : 83,840.47 = 38,095.72 : x
  2. Step 2: Convert to fraction form
    60,725.70/83,840.47 = 38,095.72/x
  3. Step 3: Cross multiply
    60,725.70x = 83,840.47 × 38,095.72
  4. Step 4: Simplify right side
    60,725.70x = 3,193,962,764.95
  5. Step 5: Solve for x
    x = 3,193,962,764.95/60,725.70
  6. Step 6: Final answer
    x = 52,596.56

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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.