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Finding the Fourth Proportional to 85,524.57, 118,024.11 and 47,798.82

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Solution

The fourth proportional to 85,524.57, 118,024.11 and 47,798.82 is: 65,962.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,524.57 : 118,024.11 = 47,798.82 : x
  2. Step 2: Convert to fraction form
    85,524.57/118,024.11 = 47,798.82/x
  3. Step 3: Cross multiply
    85,524.57x = 118,024.11 × 47,798.82
  4. Step 4: Simplify right side
    85,524.57x = 5,641,413,189.55
  5. Step 5: Solve for x
    x = 5,641,413,189.55/85,524.57
  6. Step 6: Final answer
    x = 65,962.49

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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.