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Finding the Fourth Proportional to 24,961,806.40, 37,386,722.40 and 20,482,830.40

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Solution

The fourth proportional to 24,961,806.40, 37,386,722.40 and 20,482,830.40 is: 30,678,304.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,961,806.40 : 37,386,722.40 = 20,482,830.40 : x
  2. Step 2: Convert to fraction form
    24,961,806.40/37,386,722.40 = 20,482,830.40/x
  3. Step 3: Cross multiply
    24,961,806.40x = 37,386,722.40 × 20,482,830.40
  4. Step 4: Simplify right side
    24,961,806.40x = 765,785,894,131,080.88
  5. Step 5: Solve for x
    x = 765,785,894,131,080.88/24,961,806.40
  6. Step 6: Final answer
    x = 30,678,304.36

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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.