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Finding the Fourth Proportional to 4,482.57, 6,723.80 and 2,015.65

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Solution

The fourth proportional to 4,482.57, 6,723.80 and 2,015.65 is: 3,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,482.57 : 6,723.80 = 2,015.65 : x
  2. Step 2: Convert to fraction form
    4,482.57/6,723.80 = 2,015.65/x
  3. Step 3: Cross multiply
    4,482.57x = 6,723.80 × 2,015.65
  4. Step 4: Simplify right side
    4,482.57x = 13,552,827.47
  5. Step 5: Solve for x
    x = 13,552,827.47/4,482.57
  6. Step 6: Final answer
    x = 3,023.45

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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.