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Finding the Fourth Proportional to 61,887.08, 85,404.14 and 35,029.12

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Solution

The fourth proportional to 61,887.08, 85,404.14 and 35,029.12 is: 48,340.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,887.08 : 85,404.14 = 35,029.12 : x
  2. Step 2: Convert to fraction form
    61,887.08/85,404.14 = 35,029.12/x
  3. Step 3: Cross multiply
    61,887.08x = 85,404.14 × 35,029.12
  4. Step 4: Simplify right side
    61,887.08x = 2,991,631,868.56
  5. Step 5: Solve for x
    x = 2,991,631,868.56/61,887.08
  6. Step 6: Final answer
    x = 48,340.17

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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.