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Finding the Fourth Proportional to 5,402.71, 8,090.04 and 4,627.70

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Solution

The fourth proportional to 5,402.71, 8,090.04 and 4,627.70 is: 6,929.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.71 : 8,090.04 = 4,627.70 : x
  2. Step 2: Convert to fraction form
    5,402.71/8,090.04 = 4,627.70/x
  3. Step 3: Cross multiply
    5,402.71x = 8,090.04 × 4,627.70
  4. Step 4: Simplify right side
    5,402.71x = 37,438,278.11
  5. Step 5: Solve for x
    x = 37,438,278.11/5,402.71
  6. Step 6: Final answer
    x = 6,929.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.