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Finding the Fourth Proportional to 5,547.88, 7,654.59 and 3,308.74

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Solution

The fourth proportional to 5,547.88, 7,654.59 and 3,308.74 is: 4,565.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.88 : 7,654.59 = 3,308.74 : x
  2. Step 2: Convert to fraction form
    5,547.88/7,654.59 = 3,308.74/x
  3. Step 3: Cross multiply
    5,547.88x = 7,654.59 × 3,308.74
  4. Step 4: Simplify right side
    5,547.88x = 25,327,048.12
  5. Step 5: Solve for x
    x = 25,327,048.12/5,547.88
  6. Step 6: Final answer
    x = 4,565.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.