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Finding the Fourth Proportional to 18,715.93, 25,829.48 and 10,652.11

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Solution

The fourth proportional to 18,715.93, 25,829.48 and 10,652.11 is: 14,700.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715.93 : 25,829.48 = 10,652.11 : x
  2. Step 2: Convert to fraction form
    18,715.93/25,829.48 = 10,652.11/x
  3. Step 3: Cross multiply
    18,715.93x = 25,829.48 × 10,652.11
  4. Step 4: Simplify right side
    18,715.93x = 275,138,424.26
  5. Step 5: Solve for x
    x = 275,138,424.26/18,715.93
  6. Step 6: Final answer
    x = 14,700.76

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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.