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Finding the Fourth Proportional to 15,687,080.80, 23,530,621.20 and 15,687,080.80

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Solution

The fourth proportional to 15,687,080.80, 23,530,621.20 and 15,687,080.80 is: 23,530,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,687,080.80 : 23,530,621.20 = 15,687,080.80 : x
  2. Step 2: Convert to fraction form
    15,687,080.80/23,530,621.20 = 15,687,080.80/x
  3. Step 3: Cross multiply
    15,687,080.80x = 23,530,621.20 × 15,687,080.80
  4. Step 4: Simplify right side
    15,687,080.80x = 369,126,756,038,592.94
  5. Step 5: Solve for x
    x = 369,126,756,038,592.94/15,687,080.80
  6. Step 6: Final answer
    x = 23,530,621.20

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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.