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Finding the Fourth Proportional to 4,363.60, 6,552.60 and 2,909.20

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Solution

The fourth proportional to 4,363.60, 6,552.60 and 2,909.20 is: 4,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,363.60 : 6,552.60 = 2,909.20 : x
  2. Step 2: Convert to fraction form
    4,363.60/6,552.60 = 2,909.20/x
  3. Step 3: Cross multiply
    4,363.60x = 6,552.60 × 2,909.20
  4. Step 4: Simplify right side
    4,363.60x = 19,062,823.92
  5. Step 5: Solve for x
    x = 19,062,823.92/4,363.60
  6. Step 6: Final answer
    x = 4,368.60

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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.