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Finding the Fourth Proportional to 56,755.89, 78,333.48 and 32,884.92

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Solution

The fourth proportional to 56,755.89, 78,333.48 and 32,884.92 is: 45,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,755.89 : 78,333.48 = 32,884.92 : x
  2. Step 2: Convert to fraction form
    56,755.89/78,333.48 = 32,884.92/x
  3. Step 3: Cross multiply
    56,755.89x = 78,333.48 × 32,884.92
  4. Step 4: Simplify right side
    56,755.89x = 2,575,990,223.12
  5. Step 5: Solve for x
    x = 2,575,990,223.12/56,755.89
  6. Step 6: Final answer
    x = 45,387.19

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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.