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Finding the Fourth Proportional to 7,000.29, 10,491.12 and 3,710.88

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Solution

The fourth proportional to 7,000.29, 10,491.12 and 3,710.88 is: 5,561.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.29 : 10,491.12 = 3,710.88 : x
  2. Step 2: Convert to fraction form
    7,000.29/10,491.12 = 3,710.88/x
  3. Step 3: Cross multiply
    7,000.29x = 10,491.12 × 3,710.88
  4. Step 4: Simplify right side
    7,000.29x = 38,931,287.39
  5. Step 5: Solve for x
    x = 38,931,287.39/7,000.29
  6. Step 6: Final answer
    x = 5,561.38

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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.