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Finding the Fourth Proportional to 17,807,734.80, 26,711,602.20 and 4,344,562.80

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Solution

The fourth proportional to 17,807,734.80, 26,711,602.20 and 4,344,562.80 is: 6,516,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,807,734.80 : 26,711,602.20 = 4,344,562.80 : x
  2. Step 2: Convert to fraction form
    17,807,734.80/26,711,602.20 = 4,344,562.80/x
  3. Step 3: Cross multiply
    17,807,734.80x = 26,711,602.20 × 4,344,562.80
  4. Step 4: Simplify right side
    17,807,734.80x = 116,050,233,246,518.16
  5. Step 5: Solve for x
    x = 116,050,233,246,518.16/17,807,734.80
  6. Step 6: Final answer
    x = 6,516,844.20

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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.