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Finding the Fourth Proportional to 15,707,564.60, 23,561,346.90 and 15,441,844.10

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Solution

The fourth proportional to 15,707,564.60, 23,561,346.90 and 15,441,844.10 is: 23,162,766.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,707,564.60 : 23,561,346.90 = 15,441,844.10 : x
  2. Step 2: Convert to fraction form
    15,707,564.60/23,561,346.90 = 15,441,844.10/x
  3. Step 3: Cross multiply
    15,707,564.60x = 23,561,346.90 × 15,441,844.10
  4. Step 4: Simplify right side
    15,707,564.60x = 363,830,645,615,818.25
  5. Step 5: Solve for x
    x = 363,830,645,615,818.25/15,707,564.60
  6. Step 6: Final answer
    x = 23,162,766.15

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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.