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Finding the Fourth Proportional to 24,798,728.40, 37,131,737.40 and 15,774,421.20

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Solution

The fourth proportional to 24,798,728.40, 37,131,737.40 and 15,774,421.20 is: 23,619,423.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,798,728.40 : 37,131,737.40 = 15,774,421.20 : x
  2. Step 2: Convert to fraction form
    24,798,728.40/37,131,737.40 = 15,774,421.20/x
  3. Step 3: Cross multiply
    24,798,728.40x = 37,131,737.40 × 15,774,421.20
  4. Step 4: Simplify right side
    24,798,728.40x = 585,731,665,635,392.88
  5. Step 5: Solve for x
    x = 585,731,665,635,392.88/24,798,728.40
  6. Step 6: Final answer
    x = 23,619,423.39

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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.