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Finding the Fourth Proportional to 24,255,985.80, 36,383,978.70 and 9,889,364.10

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Solution

The fourth proportional to 24,255,985.80, 36,383,978.70 and 9,889,364.10 is: 14,834,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,255,985.80 : 36,383,978.70 = 9,889,364.10 : x
  2. Step 2: Convert to fraction form
    24,255,985.80/36,383,978.70 = 9,889,364.10/x
  3. Step 3: Cross multiply
    24,255,985.80x = 36,383,978.70 × 9,889,364.10
  4. Step 4: Simplify right side
    24,255,985.80x = 359,814,412,770,944.69
  5. Step 5: Solve for x
    x = 359,814,412,770,944.69/24,255,985.80
  6. Step 6: Final answer
    x = 14,834,046.15

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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.