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Finding the Fourth Proportional to 74,591.48, 102,934.62 and 40,599.20

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Solution

The fourth proportional to 74,591.48, 102,934.62 and 40,599.20 is: 56,026.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,591.48 : 102,934.62 = 40,599.20 : x
  2. Step 2: Convert to fraction form
    74,591.48/102,934.62 = 40,599.20/x
  3. Step 3: Cross multiply
    74,591.48x = 102,934.62 × 40,599.20
  4. Step 4: Simplify right side
    74,591.48x = 4,179,063,224.30
  5. Step 5: Solve for x
    x = 4,179,063,224.30/74,591.48
  6. Step 6: Final answer
    x = 56,026.01

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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.