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Finding the Fourth Proportional to 5,011.92, 7,519.16 and 1,934.16

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Solution

The fourth proportional to 5,011.92, 7,519.16 and 1,934.16 is: 2,901.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.92 : 7,519.16 = 1,934.16 : x
  2. Step 2: Convert to fraction form
    5,011.92/7,519.16 = 1,934.16/x
  3. Step 3: Cross multiply
    5,011.92x = 7,519.16 × 1,934.16
  4. Step 4: Simplify right side
    5,011.92x = 14,543,258.51
  5. Step 5: Solve for x
    x = 14,543,258.51/5,011.92
  6. Step 6: Final answer
    x = 2,901.73

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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.