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Finding the Fourth Proportional to 5,607,456.64, 7,738,282.56 and 3,193,008.64

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Solution

The fourth proportional to 5,607,456.64, 7,738,282.56 and 3,193,008.64 is: 4,406,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607,456.64 : 7,738,282.56 = 3,193,008.64 : x
  2. Step 2: Convert to fraction form
    5,607,456.64/7,738,282.56 = 3,193,008.64/x
  3. Step 3: Cross multiply
    5,607,456.64x = 7,738,282.56 × 3,193,008.64
  4. Step 4: Simplify right side
    5,607,456.64x = 24,708,403,072,841.32
  5. Step 5: Solve for x
    x = 24,708,403,072,841.32/5,607,456.64
  6. Step 6: Final answer
    x = 4,406,347.59

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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.