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Finding the Fourth Proportional to 61,882.48, 85,395.36 and 33,587.68

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Solution

The fourth proportional to 61,882.48, 85,395.36 and 33,587.68 is: 46,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,882.48 : 85,395.36 = 33,587.68 : x
  2. Step 2: Convert to fraction form
    61,882.48/85,395.36 = 33,587.68/x
  3. Step 3: Cross multiply
    61,882.48x = 85,395.36 × 33,587.68
  4. Step 4: Simplify right side
    61,882.48x = 2,868,232,025.16
  5. Step 5: Solve for x
    x = 2,868,232,025.16/61,882.48
  6. Step 6: Final answer
    x = 46,349.66

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Why These Related Problems?

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