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Finding the Fourth Proportional to 10,598.80, 15,898.20 and 7,472.20

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Solution

The fourth proportional to 10,598.80, 15,898.20 and 7,472.20 is: 11,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,598.80 : 15,898.20 = 7,472.20 : x
  2. Step 2: Convert to fraction form
    10,598.80/15,898.20 = 7,472.20/x
  3. Step 3: Cross multiply
    10,598.80x = 15,898.20 × 7,472.20
  4. Step 4: Simplify right side
    10,598.80x = 118,794,530.04
  5. Step 5: Solve for x
    x = 118,794,530.04/10,598.80
  6. Step 6: Final answer
    x = 11,208.30

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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.