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Finding the Fourth Proportional to 15,248,978.40, 22,873,321.80 and 3,734,496.30

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Solution

The fourth proportional to 15,248,978.40, 22,873,321.80 and 3,734,496.30 is: 5,601,708.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,248,978.40 : 22,873,321.80 = 3,734,496.30 : x
  2. Step 2: Convert to fraction form
    15,248,978.40/22,873,321.80 = 3,734,496.30/x
  3. Step 3: Cross multiply
    15,248,978.40x = 22,873,321.80 × 3,734,496.30
  4. Step 4: Simplify right side
    15,248,978.40x = 85,420,335,630,809.34
  5. Step 5: Solve for x
    x = 85,420,335,630,809.34/15,248,978.40
  6. Step 6: Final answer
    x = 5,601,708.74

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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.