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Finding the Fourth Proportional to 3,472.62, 5,208.93 and 875.76

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Solution

The fourth proportional to 3,472.62, 5,208.93 and 875.76 is: 1,313.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.62 : 5,208.93 = 875.76 : x
  2. Step 2: Convert to fraction form
    3,472.62/5,208.93 = 875.76/x
  3. Step 3: Cross multiply
    3,472.62x = 5,208.93 × 875.76
  4. Step 4: Simplify right side
    3,472.62x = 4,561,772.54
  5. Step 5: Solve for x
    x = 4,561,772.54/3,472.62
  6. Step 6: Final answer
    x = 1,313.64

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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.