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Finding the Fourth Proportional to 7,759.52, 10,708.24 and 4,402.08

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Solution

The fourth proportional to 7,759.52, 10,708.24 and 4,402.08 is: 6,074.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.52 : 10,708.24 = 4,402.08 : x
  2. Step 2: Convert to fraction form
    7,759.52/10,708.24 = 4,402.08/x
  3. Step 3: Cross multiply
    7,759.52x = 10,708.24 × 4,402.08
  4. Step 4: Simplify right side
    7,759.52x = 47,138,529.14
  5. Step 5: Solve for x
    x = 47,138,529.14/7,759.52
  6. Step 6: Final answer
    x = 6,074.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.