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Finding the Fourth Proportional to 7,632.74, 10,532.88 and 4,275.39

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Solution

The fourth proportional to 7,632.74, 10,532.88 and 4,275.39 is: 5,899.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,632.74 : 10,532.88 = 4,275.39 : x
  2. Step 2: Convert to fraction form
    7,632.74/10,532.88 = 4,275.39/x
  3. Step 3: Cross multiply
    7,632.74x = 10,532.88 × 4,275.39
  4. Step 4: Simplify right side
    7,632.74x = 45,032,169.82
  5. Step 5: Solve for x
    x = 45,032,169.82/7,632.74
  6. Step 6: Final answer
    x = 5,899.87

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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.