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Finding the Fourth Proportional to 61,882.34, 85,395.35 and 33,587.42

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Solution

The fourth proportional to 61,882.34, 85,395.35 and 33,587.42 is: 46,349.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,882.34 : 85,395.35 = 33,587.42 : x
  2. Step 2: Convert to fraction form
    61,882.34/85,395.35 = 33,587.42/x
  3. Step 3: Cross multiply
    61,882.34x = 85,395.35 × 33,587.42
  4. Step 4: Simplify right side
    61,882.34x = 2,868,209,318.56
  5. Step 5: Solve for x
    x = 2,868,209,318.56/61,882.34
  6. Step 6: Final answer
    x = 46,349.40

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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.