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Finding the Fourth Proportional to 58,806.64, 88,219.86 and 19,375.12

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Solution

The fourth proportional to 58,806.64, 88,219.86 and 19,375.12 is: 29,065.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,806.64 : 88,219.86 = 19,375.12 : x
  2. Step 2: Convert to fraction form
    58,806.64/88,219.86 = 19,375.12/x
  3. Step 3: Cross multiply
    58,806.64x = 88,219.86 × 19,375.12
  4. Step 4: Simplify right side
    58,806.64x = 1,709,270,373.88
  5. Step 5: Solve for x
    x = 1,709,270,373.88/58,806.64
  6. Step 6: Final answer
    x = 29,065.94

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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.