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Finding the Fourth Proportional to 58,667.76, 88,014.60 and 17,118

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Solution

The fourth proportional to 58,667.76, 88,014.60 and 17,118 is: 25,680.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,667.76 : 88,014.60 = 17,118 : x
  2. Step 2: Convert to fraction form
    58,667.76/88,014.60 = 17,118/x
  3. Step 3: Cross multiply
    58,667.76x = 88,014.60 × 17,118
  4. Step 4: Simplify right side
    58,667.76x = 1,506,633,922.80
  5. Step 5: Solve for x
    x = 1,506,633,922.80/58,667.76
  6. Step 6: Final answer
    x = 25,680.78

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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.