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Finding the Fourth Proportional to 3,204.40, 4,539.88 and 3,204.40

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Solution

The fourth proportional to 3,204.40, 4,539.88 and 3,204.40 is: 4,539.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.40 : 4,539.88 = 3,204.40 : x
  2. Step 2: Convert to fraction form
    3,204.40/4,539.88 = 3,204.40/x
  3. Step 3: Cross multiply
    3,204.40x = 4,539.88 × 3,204.40
  4. Step 4: Simplify right side
    3,204.40x = 14,547,591.47
  5. Step 5: Solve for x
    x = 14,547,591.47/3,204.40
  6. Step 6: Final answer
    x = 4,539.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.