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Finding the Fourth Proportional to 7,177.47, 10,763.39 and 3,019.47

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Solution

The fourth proportional to 7,177.47, 10,763.39 and 3,019.47 is: 4,528.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.47 : 10,763.39 = 3,019.47 : x
  2. Step 2: Convert to fraction form
    7,177.47/10,763.39 = 3,019.47/x
  3. Step 3: Cross multiply
    7,177.47x = 10,763.39 × 3,019.47
  4. Step 4: Simplify right side
    7,177.47x = 32,499,718.11
  5. Step 5: Solve for x
    x = 32,499,718.11/7,177.47
  6. Step 6: Final answer
    x = 4,528.02

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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.