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Finding the Fourth Proportional to 58,778.84, 88,174.34 and 19,335.90

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Solution

The fourth proportional to 58,778.84, 88,174.34 and 19,335.90 is: 29,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,778.84 : 88,174.34 = 19,335.90 : x
  2. Step 2: Convert to fraction form
    58,778.84/88,174.34 = 19,335.90/x
  3. Step 3: Cross multiply
    58,778.84x = 88,174.34 × 19,335.90
  4. Step 4: Simplify right side
    58,778.84x = 1,704,930,220.81
  5. Step 5: Solve for x
    x = 1,704,930,220.81/58,778.84
  6. Step 6: Final answer
    x = 29,005.85

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1.5x scale

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.