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Finding the Fourth Proportional to 57,895.13, 86,842.70 and 14,119.13

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Solution

The fourth proportional to 57,895.13, 86,842.70 and 14,119.13 is: 21,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,895.13 : 86,842.70 = 14,119.13 : x
  2. Step 2: Convert to fraction form
    57,895.13/86,842.70 = 14,119.13/x
  3. Step 3: Cross multiply
    57,895.13x = 86,842.70 × 14,119.13
  4. Step 4: Simplify right side
    57,895.13x = 1,226,142,866.04
  5. Step 5: Solve for x
    x = 1,226,142,866.04/57,895.13
  6. Step 6: Final answer
    x = 21,178.69

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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.