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Finding the Fourth Proportional to 7,159.51, 10,739.10 and 2,479.23

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Solution

The fourth proportional to 7,159.51, 10,739.10 and 2,479.23 is: 3,718.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.51 : 10,739.10 = 2,479.23 : x
  2. Step 2: Convert to fraction form
    7,159.51/10,739.10 = 2,479.23/x
  3. Step 3: Cross multiply
    7,159.51x = 10,739.10 × 2,479.23
  4. Step 4: Simplify right side
    7,159.51x = 26,624,694.24
  5. Step 5: Solve for x
    x = 26,624,694.24/7,159.51
  6. Step 6: Final answer
    x = 3,718.79

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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.