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Finding the Fourth Proportional to 21,734,362.80, 32,605,480.80 and 10,924,459.20

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Solution

The fourth proportional to 21,734,362.80, 32,605,480.80 and 10,924,459.20 is: 16,388,667.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,734,362.80 : 32,605,480.80 = 10,924,459.20 : x
  2. Step 2: Convert to fraction form
    21,734,362.80/32,605,480.80 = 10,924,459.20/x
  3. Step 3: Cross multiply
    21,734,362.80x = 32,605,480.80 × 10,924,459.20
  4. Step 4: Simplify right side
    21,734,362.80x = 356,197,244,695,983.38
  5. Step 5: Solve for x
    x = 356,197,244,695,983.38/21,734,362.80
  6. Step 6: Final answer
    x = 16,388,667.47

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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.