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Finding the Fourth Proportional to 7,130.91, 10,697.65 and 2,449.71

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Solution

The fourth proportional to 7,130.91, 10,697.65 and 2,449.71 is: 3,675.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.91 : 10,697.65 = 2,449.71 : x
  2. Step 2: Convert to fraction form
    7,130.91/10,697.65 = 2,449.71/x
  3. Step 3: Cross multiply
    7,130.91x = 10,697.65 × 2,449.71
  4. Step 4: Simplify right side
    7,130.91x = 26,206,140.18
  5. Step 5: Solve for x
    x = 26,206,140.18/7,130.91
  6. Step 6: Final answer
    x = 3,675.01

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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.