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Finding the Fourth Proportional to 3,444.60, 5,166.90 and 1,254.90

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Solution

The fourth proportional to 3,444.60, 5,166.90 and 1,254.90 is: 1,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,444.60 : 5,166.90 = 1,254.90 : x
  2. Step 2: Convert to fraction form
    3,444.60/5,166.90 = 1,254.90/x
  3. Step 3: Cross multiply
    3,444.60x = 5,166.90 × 1,254.90
  4. Step 4: Simplify right side
    3,444.60x = 6,483,942.81
  5. Step 5: Solve for x
    x = 6,483,942.81/3,444.60
  6. Step 6: Final answer
    x = 1,882.35

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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.