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Finding the Fourth Proportional to 65,352.38, 97,870.66 and 37,187.10

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Solution

The fourth proportional to 65,352.38, 97,870.66 and 37,187.10 is: 55,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,352.38 : 97,870.66 = 37,187.10 : x
  2. Step 2: Convert to fraction form
    65,352.38/97,870.66 = 37,187.10/x
  3. Step 3: Cross multiply
    65,352.38x = 97,870.66 × 37,187.10
  4. Step 4: Simplify right side
    65,352.38x = 3,639,526,020.49
  5. Step 5: Solve for x
    x = 3,639,526,020.49/65,352.38
  6. Step 6: Final answer
    x = 55,690.80

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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.