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Finding the Fourth Proportional to 17,842,462.80, 26,763,694.20 and 16,921,298.40

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Solution

The fourth proportional to 17,842,462.80, 26,763,694.20 and 16,921,298.40 is: 25,381,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,842,462.80 : 26,763,694.20 = 16,921,298.40 : x
  2. Step 2: Convert to fraction form
    17,842,462.80/26,763,694.20 = 16,921,298.40/x
  3. Step 3: Cross multiply
    17,842,462.80x = 26,763,694.20 × 16,921,298.40
  4. Step 4: Simplify right side
    17,842,462.80x = 452,876,455,844,549.25
  5. Step 5: Solve for x
    x = 452,876,455,844,549.25/17,842,462.80
  6. Step 6: Final answer
    x = 25,381,947.60

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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.