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Finding the Fourth Proportional to 72,904.96, 109,357.45 and 17,500.96

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Solution

The fourth proportional to 72,904.96, 109,357.45 and 17,500.96 is: 26,251.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,904.96 : 109,357.45 = 17,500.96 : x
  2. Step 2: Convert to fraction form
    72,904.96/109,357.45 = 17,500.96/x
  3. Step 3: Cross multiply
    72,904.96x = 109,357.45 × 17,500.96
  4. Step 4: Simplify right side
    72,904.96x = 1,913,860,358.15
  5. Step 5: Solve for x
    x = 1,913,860,358.15/72,904.96
  6. Step 6: Final answer
    x = 26,251.44

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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.