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Finding the Fourth Proportional to 58,767.90, 88,164.81 and 19,323.42

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Solution

The fourth proportional to 58,767.90, 88,164.81 and 19,323.42 is: 28,989.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,767.90 : 88,164.81 = 19,323.42 : x
  2. Step 2: Convert to fraction form
    58,767.90/88,164.81 = 19,323.42/x
  3. Step 3: Cross multiply
    58,767.90x = 88,164.81 × 19,323.42
  4. Step 4: Simplify right side
    58,767.90x = 1,703,645,652.85
  5. Step 5: Solve for x
    x = 1,703,645,652.85/58,767.90
  6. Step 6: Final answer
    x = 28,989.39

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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.