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Finding the Fourth Proportional to 16,752,445.70, 25,128,668.55 and 16,752,445.70

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Solution

The fourth proportional to 16,752,445.70, 25,128,668.55 and 16,752,445.70 is: 25,128,668.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,752,445.70 : 25,128,668.55 = 16,752,445.70 : x
  2. Step 2: Convert to fraction form
    16,752,445.70/25,128,668.55 = 16,752,445.70/x
  3. Step 3: Cross multiply
    16,752,445.70x = 25,128,668.55 × 16,752,445.70
  4. Step 4: Simplify right side
    16,752,445.70x = 420,966,655,397,172.75
  5. Step 5: Solve for x
    x = 420,966,655,397,172.75/16,752,445.70
  6. Step 6: Final answer
    x = 25,128,668.55

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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.