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Finding the Fourth Proportional to 7,002.80, 10,493.40 and 5,901.20

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Solution

The fourth proportional to 7,002.80, 10,493.40 and 5,901.20 is: 8,842.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.80 : 10,493.40 = 5,901.20 : x
  2. Step 2: Convert to fraction form
    7,002.80/10,493.40 = 5,901.20/x
  3. Step 3: Cross multiply
    7,002.80x = 10,493.40 × 5,901.20
  4. Step 4: Simplify right side
    7,002.80x = 61,923,652.08
  5. Step 5: Solve for x
    x = 61,923,652.08/7,002.80
  6. Step 6: Final answer
    x = 8,842.70

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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.