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Finding the Fourth Proportional to 7,098.99, 10,655.04 and 3,591.47

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Solution

The fourth proportional to 7,098.99, 10,655.04 and 3,591.47 is: 5,390.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.99 : 10,655.04 = 3,591.47 : x
  2. Step 2: Convert to fraction form
    7,098.99/10,655.04 = 3,591.47/x
  3. Step 3: Cross multiply
    7,098.99x = 10,655.04 × 3,591.47
  4. Step 4: Simplify right side
    7,098.99x = 38,267,203.23
  5. Step 5: Solve for x
    x = 38,267,203.23/7,098.99
  6. Step 6: Final answer
    x = 5,390.51

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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.