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Finding the Fourth Proportional to 65,240.57, 97,884.18 and 40,251.53

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Solution

The fourth proportional to 65,240.57, 97,884.18 and 40,251.53 is: 60,391.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,240.57 : 97,884.18 = 40,251.53 : x
  2. Step 2: Convert to fraction form
    65,240.57/97,884.18 = 40,251.53/x
  3. Step 3: Cross multiply
    65,240.57x = 97,884.18 × 40,251.53
  4. Step 4: Simplify right side
    65,240.57x = 3,939,988,252.51
  5. Step 5: Solve for x
    x = 3,939,988,252.51/65,240.57
  6. Step 6: Final answer
    x = 60,391.69

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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.