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Finding the Fourth Proportional to 5,547.75, 7,655.90 and 3,063.75

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Solution

The fourth proportional to 5,547.75, 7,655.90 and 3,063.75 is: 4,227.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.75 : 7,655.90 = 3,063.75 : x
  2. Step 2: Convert to fraction form
    5,547.75/7,655.90 = 3,063.75/x
  3. Step 3: Cross multiply
    5,547.75x = 7,655.90 × 3,063.75
  4. Step 4: Simplify right side
    5,547.75x = 23,455,748.31
  5. Step 5: Solve for x
    x = 23,455,748.31/5,547.75
  6. Step 6: Final answer
    x = 4,227.98

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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.