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Finding the Fourth Proportional to 5,602,290.81, 7,731,490.80 and 3,427,250.86

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Solution

The fourth proportional to 5,602,290.81, 7,731,490.80 and 3,427,250.86 is: 4,729,807.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,602,290.81 : 7,731,490.80 = 3,427,250.86 : x
  2. Step 2: Convert to fraction form
    5,602,290.81/7,731,490.80 = 3,427,250.86/x
  3. Step 3: Cross multiply
    5,602,290.81x = 7,731,490.80 × 3,427,250.86
  4. Step 4: Simplify right side
    5,602,290.81x = 26,497,758,493,382.09
  5. Step 5: Solve for x
    x = 26,497,758,493,382.09/5,602,290.81
  6. Step 6: Final answer
    x = 4,729,807.75

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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.