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Finding the Fourth Proportional to 10,507.68, 14,500.08 and 5,791.84

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Solution

The fourth proportional to 10,507.68, 14,500.08 and 5,791.84 is: 7,992.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,507.68 : 14,500.08 = 5,791.84 : x
  2. Step 2: Convert to fraction form
    10,507.68/14,500.08 = 5,791.84/x
  3. Step 3: Cross multiply
    10,507.68x = 14,500.08 × 5,791.84
  4. Step 4: Simplify right side
    10,507.68x = 83,982,143.35
  5. Step 5: Solve for x
    x = 83,982,143.35/10,507.68
  6. Step 6: Final answer
    x = 7,992.45

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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.