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Finding the Fourth Proportional to 4,980.38, 7,471.88 and 2,482.30

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Solution

The fourth proportional to 4,980.38, 7,471.88 and 2,482.30 is: 3,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.38 : 7,471.88 = 2,482.30 : x
  2. Step 2: Convert to fraction form
    4,980.38/7,471.88 = 2,482.30/x
  3. Step 3: Cross multiply
    4,980.38x = 7,471.88 × 2,482.30
  4. Step 4: Simplify right side
    4,980.38x = 18,547,425.94
  5. Step 5: Solve for x
    x = 18,547,425.94/4,980.38
  6. Step 6: Final answer
    x = 3,724.10

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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.