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Finding the Fourth Proportional to 41,290,934.64, 56,978,262.36 and 22,955,103.60

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Solution

The fourth proportional to 41,290,934.64, 56,978,262.36 and 22,955,103.60 is: 31,676,248.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,290,934.64 : 56,978,262.36 = 22,955,103.60 : x
  2. Step 2: Convert to fraction form
    41,290,934.64/56,978,262.36 = 22,955,103.60/x
  3. Step 3: Cross multiply
    41,290,934.64x = 56,978,262.36 × 22,955,103.60
  4. Step 4: Simplify right side
    41,290,934.64x = 1,307,941,915,421,780.50
  5. Step 5: Solve for x
    x = 1,307,941,915,421,780.50/41,290,934.64
  6. Step 6: Final answer
    x = 31,676,248.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.