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Finding the Fourth Proportional to 61,585.33, 84,987.81 and 33,291.02

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Solution

The fourth proportional to 61,585.33, 84,987.81 and 33,291.02 is: 45,941.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,585.33 : 84,987.81 = 33,291.02 : x
  2. Step 2: Convert to fraction form
    61,585.33/84,987.81 = 33,291.02/x
  3. Step 3: Cross multiply
    61,585.33x = 84,987.81 × 33,291.02
  4. Step 4: Simplify right side
    61,585.33x = 2,829,330,882.47
  5. Step 5: Solve for x
    x = 2,829,330,882.47/61,585.33
  6. Step 6: Final answer
    x = 45,941.64

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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.