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Finding the Fourth Proportional to 58,427.80, 87,635.22 and 16,874.80

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Solution

The fourth proportional to 58,427.80, 87,635.22 and 16,874.80 is: 25,310.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,427.80 : 87,635.22 = 16,874.80 : x
  2. Step 2: Convert to fraction form
    58,427.80/87,635.22 = 16,874.80/x
  3. Step 3: Cross multiply
    58,427.80x = 87,635.22 × 16,874.80
  4. Step 4: Simplify right side
    58,427.80x = 1,478,826,810.46
  5. Step 5: Solve for x
    x = 1,478,826,810.46/58,427.80
  6. Step 6: Final answer
    x = 25,310.33

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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.