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Finding the Fourth Proportional to 58,810.66, 88,188.21 and 21,344.51

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Solution

The fourth proportional to 58,810.66, 88,188.21 and 21,344.51 is: 32,006.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,810.66 : 88,188.21 = 21,344.51 : x
  2. Step 2: Convert to fraction form
    58,810.66/88,188.21 = 21,344.51/x
  3. Step 3: Cross multiply
    58,810.66x = 88,188.21 × 21,344.51
  4. Step 4: Simplify right side
    58,810.66x = 1,882,334,350.70
  5. Step 5: Solve for x
    x = 1,882,334,350.70/58,810.66
  6. Step 6: Final answer
    x = 32,006.69

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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.