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Finding the Fourth Proportional to 58,767.78, 88,154.50 and 19,324.02

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Solution

The fourth proportional to 58,767.78, 88,154.50 and 19,324.02 is: 28,986.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,767.78 : 88,154.50 = 19,324.02 : x
  2. Step 2: Convert to fraction form
    58,767.78/88,154.50 = 19,324.02/x
  3. Step 3: Cross multiply
    58,767.78x = 88,154.50 × 19,324.02
  4. Step 4: Simplify right side
    58,767.78x = 1,703,499,321.09
  5. Step 5: Solve for x
    x = 1,703,499,321.09/58,767.78
  6. Step 6: Final answer
    x = 28,986.96

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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.