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Finding the Fourth Proportional to 5,480.76, 7,561.66 and 3,354.08

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Solution

The fourth proportional to 5,480.76, 7,561.66 and 3,354.08 is: 4,627.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.76 : 7,561.66 = 3,354.08 : x
  2. Step 2: Convert to fraction form
    5,480.76/7,561.66 = 3,354.08/x
  3. Step 3: Cross multiply
    5,480.76x = 7,561.66 × 3,354.08
  4. Step 4: Simplify right side
    5,480.76x = 25,362,366.38
  5. Step 5: Solve for x
    x = 25,362,366.38/5,480.76
  6. Step 6: Final answer
    x = 4,627.53

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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.