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Finding the Fourth Proportional to 7,568.80, 10,444.80 and 4,424.92

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Solution

The fourth proportional to 7,568.80, 10,444.80 and 4,424.92 is: 6,106.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,568.80 : 10,444.80 = 4,424.92 : x
  2. Step 2: Convert to fraction form
    7,568.80/10,444.80 = 4,424.92/x
  3. Step 3: Cross multiply
    7,568.80x = 10,444.80 × 4,424.92
  4. Step 4: Simplify right side
    7,568.80x = 46,217,404.42
  5. Step 5: Solve for x
    x = 46,217,404.42/7,568.80
  6. Step 6: Final answer
    x = 6,106.31

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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.