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Finding the Fourth Proportional to 16,648.68, 24,977.34 and 8,328.36

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Solution

The fourth proportional to 16,648.68, 24,977.34 and 8,328.36 is: 12,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,648.68 : 24,977.34 = 8,328.36 : x
  2. Step 2: Convert to fraction form
    16,648.68/24,977.34 = 8,328.36/x
  3. Step 3: Cross multiply
    16,648.68x = 24,977.34 × 8,328.36
  4. Step 4: Simplify right side
    16,648.68x = 208,020,279.36
  5. Step 5: Solve for x
    x = 208,020,279.36/16,648.68
  6. Step 6: Final answer
    x = 12,494.70

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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.