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Finding the Fourth Proportional to 75,046.92, 112,445.43 and 52,813.59

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Solution

The fourth proportional to 75,046.92, 112,445.43 and 52,813.59 is: 79,132.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,046.92 : 112,445.43 = 52,813.59 : x
  2. Step 2: Convert to fraction form
    75,046.92/112,445.43 = 52,813.59/x
  3. Step 3: Cross multiply
    75,046.92x = 112,445.43 × 52,813.59
  4. Step 4: Simplify right side
    75,046.92x = 5,938,646,837.39
  5. Step 5: Solve for x
    x = 5,938,646,837.39/75,046.92
  6. Step 6: Final answer
    x = 79,132.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.