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Finding the Fourth Proportional to 63,981.67, 88,296.60 and 35,686.75

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Solution

The fourth proportional to 63,981.67, 88,296.60 and 35,686.75 is: 49,248.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,981.67 : 88,296.60 = 35,686.75 : x
  2. Step 2: Convert to fraction form
    63,981.67/88,296.60 = 35,686.75/x
  3. Step 3: Cross multiply
    63,981.67x = 88,296.60 × 35,686.75
  4. Step 4: Simplify right side
    63,981.67x = 3,151,018,690.05
  5. Step 5: Solve for x
    x = 3,151,018,690.05/63,981.67
  6. Step 6: Final answer
    x = 49,248.77

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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.