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Finding the Fourth Proportional to 58,990.56, 88,458.66 and 19,002.30

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Solution

The fourth proportional to 58,990.56, 88,458.66 and 19,002.30 is: 28,494.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,990.56 : 88,458.66 = 19,002.30 : x
  2. Step 2: Convert to fraction form
    58,990.56/88,458.66 = 19,002.30/x
  3. Step 3: Cross multiply
    58,990.56x = 88,458.66 × 19,002.30
  4. Step 4: Simplify right side
    58,990.56x = 1,680,917,994.92
  5. Step 5: Solve for x
    x = 1,680,917,994.92/58,990.56
  6. Step 6: Final answer
    x = 28,494.69

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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.