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Finding the Fourth Proportional to 4,273.60, 6,410.40 and 2,394.40

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Solution

The fourth proportional to 4,273.60, 6,410.40 and 2,394.40 is: 3,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,273.60 : 6,410.40 = 2,394.40 : x
  2. Step 2: Convert to fraction form
    4,273.60/6,410.40 = 2,394.40/x
  3. Step 3: Cross multiply
    4,273.60x = 6,410.40 × 2,394.40
  4. Step 4: Simplify right side
    4,273.60x = 15,349,061.76
  5. Step 5: Solve for x
    x = 15,349,061.76/4,273.60
  6. Step 6: Final answer
    x = 3,591.60

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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.