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Finding the Fourth Proportional to 58,774.40, 88,174.56 and 19,329.92

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Solution

The fourth proportional to 58,774.40, 88,174.56 and 19,329.92 is: 28,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,774.40 : 88,174.56 = 19,329.92 : x
  2. Step 2: Convert to fraction form
    58,774.40/88,174.56 = 19,329.92/x
  3. Step 3: Cross multiply
    58,774.40x = 88,174.56 × 19,329.92
  4. Step 4: Simplify right side
    58,774.40x = 1,704,407,190.84
  5. Step 5: Solve for x
    x = 1,704,407,190.84/58,774.40
  6. Step 6: Final answer
    x = 28,999.14

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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.