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Finding the Fourth Proportional to 5,547.85, 7,654.07 and 3,559.48

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Solution

The fourth proportional to 5,547.85, 7,654.07 and 3,559.48 is: 4,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.85 : 7,654.07 = 3,559.48 : x
  2. Step 2: Convert to fraction form
    5,547.85/7,654.07 = 3,559.48/x
  3. Step 3: Cross multiply
    5,547.85x = 7,654.07 × 3,559.48
  4. Step 4: Simplify right side
    5,547.85x = 27,244,453.02
  5. Step 5: Solve for x
    x = 27,244,453.02/5,547.85
  6. Step 6: Final answer
    x = 4,910.82

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1.5x scale

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.