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Finding the Fourth Proportional to 15,553,727.20, 23,330,590.80 and 15,553,727.20

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Solution

The fourth proportional to 15,553,727.20, 23,330,590.80 and 15,553,727.20 is: 23,330,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553,727.20 : 23,330,590.80 = 15,553,727.20 : x
  2. Step 2: Convert to fraction form
    15,553,727.20/23,330,590.80 = 15,553,727.20/x
  3. Step 3: Cross multiply
    15,553,727.20x = 23,330,590.80 × 15,553,727.20
  4. Step 4: Simplify right side
    15,553,727.20x = 362,877,644,718,029.75
  5. Step 5: Solve for x
    x = 362,877,644,718,029.75/15,553,727.20
  6. Step 6: Final answer
    x = 23,330,590.80

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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.