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Finding the Fourth Proportional to 58,480.50, 87,729.38 and 16,922.10

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Solution

The fourth proportional to 58,480.50, 87,729.38 and 16,922.10 is: 25,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,480.50 : 87,729.38 = 16,922.10 : x
  2. Step 2: Convert to fraction form
    58,480.50/87,729.38 = 16,922.10/x
  3. Step 3: Cross multiply
    58,480.50x = 87,729.38 × 16,922.10
  4. Step 4: Simplify right side
    58,480.50x = 1,484,565,341.30
  5. Step 5: Solve for x
    x = 1,484,565,341.30/58,480.50
  6. Step 6: Final answer
    x = 25,385.65

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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.