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Finding the Fourth Proportional to 24,953,895.40, 37,428,078.30 and 20,458,330.60

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Solution

The fourth proportional to 24,953,895.40, 37,428,078.30 and 20,458,330.60 is: 30,685,229.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,953,895.40 : 37,428,078.30 = 20,458,330.60 : x
  2. Step 2: Convert to fraction form
    24,953,895.40/37,428,078.30 = 20,458,330.60/x
  3. Step 3: Cross multiply
    24,953,895.40x = 37,428,078.30 × 20,458,330.60
  4. Step 4: Simplify right side
    24,953,895.40x = 765,715,999,584,086
  5. Step 5: Solve for x
    x = 765,715,999,584,086/24,953,895.40
  6. Step 6: Final answer
    x = 30,685,229.19

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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.