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Finding the Fourth Proportional to 5,288,425.64, 7,932,641.07 and 3,490,888.98

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Solution

The fourth proportional to 5,288,425.64, 7,932,641.07 and 3,490,888.98 is: 5,236,335.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288,425.64 : 7,932,641.07 = 3,490,888.98 : x
  2. Step 2: Convert to fraction form
    5,288,425.64/7,932,641.07 = 3,490,888.98/x
  3. Step 3: Cross multiply
    5,288,425.64x = 7,932,641.07 × 3,490,888.98
  4. Step 4: Simplify right side
    5,288,425.64x = 27,691,969,293,558.41
  5. Step 5: Solve for x
    x = 27,691,969,293,558.41/5,288,425.64
  6. Step 6: Final answer
    x = 5,236,335.19

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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.