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Finding the Fourth Proportional to 7,275,809.20, 10,913,713.80 and 2,483,654.80

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Solution

The fourth proportional to 7,275,809.20, 10,913,713.80 and 2,483,654.80 is: 3,725,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275,809.20 : 10,913,713.80 = 2,483,654.80 : x
  2. Step 2: Convert to fraction form
    7,275,809.20/10,913,713.80 = 2,483,654.80/x
  3. Step 3: Cross multiply
    7,275,809.20x = 10,913,713.80 × 2,483,654.80
  4. Step 4: Simplify right side
    7,275,809.20x = 27,105,897,665,196.24
  5. Step 5: Solve for x
    x = 27,105,897,665,196.24/7,275,809.20
  6. Step 6: Final answer
    x = 3,725,482.20

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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.