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Finding the Fourth Proportional to 15,272,672.70, 22,909,009.05 and 15,272,672.70

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Solution

The fourth proportional to 15,272,672.70, 22,909,009.05 and 15,272,672.70 is: 22,909,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,272,672.70 : 22,909,009.05 = 15,272,672.70 : x
  2. Step 2: Convert to fraction form
    15,272,672.70/22,909,009.05 = 15,272,672.70/x
  3. Step 3: Cross multiply
    15,272,672.70x = 22,909,009.05 × 15,272,672.70
  4. Step 4: Simplify right side
    15,272,672.70x = 349,881,797,101,987.94
  5. Step 5: Solve for x
    x = 349,881,797,101,987.94/15,272,672.70
  6. Step 6: Final answer
    x = 22,909,009.05

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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.