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Finding the Fourth Proportional to 45,403.59, 62,621.45 and 29,493.16

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Solution

The fourth proportional to 45,403.59, 62,621.45 and 29,493.16 is: 40,677.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,403.59 : 62,621.45 = 29,493.16 : x
  2. Step 2: Convert to fraction form
    45,403.59/62,621.45 = 29,493.16/x
  3. Step 3: Cross multiply
    45,403.59x = 62,621.45 × 29,493.16
  4. Step 4: Simplify right side
    45,403.59x = 1,846,904,296.82
  5. Step 5: Solve for x
    x = 1,846,904,296.82/45,403.59
  6. Step 6: Final answer
    x = 40,677.50

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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.