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Finding the Fourth Proportional to 67,870.13, 93,657.62 and 37,655.13

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Solution

The fourth proportional to 67,870.13, 93,657.62 and 37,655.13 is: 51,962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,870.13 : 93,657.62 = 37,655.13 : x
  2. Step 2: Convert to fraction form
    67,870.13/93,657.62 = 37,655.13/x
  3. Step 3: Cross multiply
    67,870.13x = 93,657.62 × 37,655.13
  4. Step 4: Simplify right side
    67,870.13x = 3,526,689,856.59
  5. Step 5: Solve for x
    x = 3,526,689,856.59/67,870.13
  6. Step 6: Final answer
    x = 51,962.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.