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Finding the Fourth Proportional to 61,146.48, 91,752.81 and 25,610.91

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Solution

The fourth proportional to 61,146.48, 91,752.81 and 25,610.91 is: 38,430.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,146.48 : 91,752.81 = 25,610.91 : x
  2. Step 2: Convert to fraction form
    61,146.48/91,752.81 = 25,610.91/x
  3. Step 3: Cross multiply
    61,146.48x = 91,752.81 × 25,610.91
  4. Step 4: Simplify right side
    61,146.48x = 2,349,872,959.16
  5. Step 5: Solve for x
    x = 2,349,872,959.16/61,146.48
  6. Step 6: Final answer
    x = 38,430.22

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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.