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Finding the Fourth Proportional to 63,857.70, 88,123.59 and 37,015.76

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Solution

The fourth proportional to 63,857.70, 88,123.59 and 37,015.76 is: 51,081.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,857.70 : 88,123.59 = 37,015.76 : x
  2. Step 2: Convert to fraction form
    63,857.70/88,123.59 = 37,015.76/x
  3. Step 3: Cross multiply
    63,857.70x = 88,123.59 × 37,015.76
  4. Step 4: Simplify right side
    63,857.70x = 3,261,961,657.78
  5. Step 5: Solve for x
    x = 3,261,961,657.78/63,857.70
  6. Step 6: Final answer
    x = 51,081.73

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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.