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Finding the Fourth Proportional to 5,009.76, 7,520.18 and 4,884.08

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Solution

The fourth proportional to 5,009.76, 7,520.18 and 4,884.08 is: 7,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.76 : 7,520.18 = 4,884.08 : x
  2. Step 2: Convert to fraction form
    5,009.76/7,520.18 = 4,884.08/x
  3. Step 3: Cross multiply
    5,009.76x = 7,520.18 × 4,884.08
  4. Step 4: Simplify right side
    5,009.76x = 36,729,098.71
  5. Step 5: Solve for x
    x = 36,729,098.71/5,009.76
  6. Step 6: Final answer
    x = 7,331.51

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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.