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Finding the Fourth Proportional to 44,641,798.16, 66,965,944.96 and 18,708,067.84

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Solution

The fourth proportional to 44,641,798.16, 66,965,944.96 and 18,708,067.84 is: 28,063,462.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,641,798.16 : 66,965,944.96 = 18,708,067.84 : x
  2. Step 2: Convert to fraction form
    44,641,798.16/66,965,944.96 = 18,708,067.84/x
  3. Step 3: Cross multiply
    44,641,798.16x = 66,965,944.96 × 18,708,067.84
  4. Step 4: Simplify right side
    44,641,798.16x = 1,252,803,441,281,386
  5. Step 5: Solve for x
    x = 1,252,803,441,281,386/44,641,798.16
  6. Step 6: Final answer
    x = 28,063,462.78

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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.