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Finding the Fourth Proportional to 61,887.01, 85,404.45 and 33,592.90

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Solution

The fourth proportional to 61,887.01, 85,404.45 and 33,592.90 is: 46,358.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,887.01 : 85,404.45 = 33,592.90 : x
  2. Step 2: Convert to fraction form
    61,887.01/85,404.45 = 33,592.90/x
  3. Step 3: Cross multiply
    61,887.01x = 85,404.45 × 33,592.90
  4. Step 4: Simplify right side
    61,887.01x = 2,868,983,148.41
  5. Step 5: Solve for x
    x = 2,868,983,148.41/61,887.01
  6. Step 6: Final answer
    x = 46,358.41

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1.5x scale

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.