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Finding the Fourth Proportional to 17,363,996.80, 25,996,228.80 and 16,866,332.80

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Solution

The fourth proportional to 17,363,996.80, 25,996,228.80 and 16,866,332.80 is: 25,251,159.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,363,996.80 : 25,996,228.80 = 16,866,332.80 : x
  2. Step 2: Convert to fraction form
    17,363,996.80/25,996,228.80 = 16,866,332.80/x
  3. Step 3: Cross multiply
    17,363,996.80x = 25,996,228.80 × 16,866,332.80
  4. Step 4: Simplify right side
    17,363,996.80x = 438,461,046,485,744.69
  5. Step 5: Solve for x
    x = 438,461,046,485,744.69/17,363,996.80
  6. Step 6: Final answer
    x = 25,251,159.14

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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.