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Finding the Fourth Proportional to 65,617.85, 97,914.83 and 58,549.28

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Solution

The fourth proportional to 65,617.85, 97,914.83 and 58,549.28 is: 87,367.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,617.85 : 97,914.83 = 58,549.28 : x
  2. Step 2: Convert to fraction form
    65,617.85/97,914.83 = 58,549.28/x
  3. Step 3: Cross multiply
    65,617.85x = 97,914.83 × 58,549.28
  4. Step 4: Simplify right side
    65,617.85x = 5,732,842,566.27
  5. Step 5: Solve for x
    x = 5,732,842,566.27/65,617.85
  6. Step 6: Final answer
    x = 87,367.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.