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Finding the Fourth Proportional to 75,691.86, 113,484.66 and 33,549.04

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Solution

The fourth proportional to 75,691.86, 113,484.66 and 33,549.04 is: 50,300.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,691.86 : 113,484.66 = 33,549.04 : x
  2. Step 2: Convert to fraction form
    75,691.86/113,484.66 = 33,549.04/x
  3. Step 3: Cross multiply
    75,691.86x = 113,484.66 × 33,549.04
  4. Step 4: Simplify right side
    75,691.86x = 3,807,301,397.73
  5. Step 5: Solve for x
    x = 3,807,301,397.73/75,691.86
  6. Step 6: Final answer
    x = 50,300.01

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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.