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Finding the Fourth Proportional to 16,445.75, 24,674.79 and 9,876.65

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Solution

The fourth proportional to 16,445.75, 24,674.79 and 9,876.65 is: 14,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,445.75 : 24,674.79 = 9,876.65 : x
  2. Step 2: Convert to fraction form
    16,445.75/24,674.79 = 9,876.65/x
  3. Step 3: Cross multiply
    16,445.75x = 24,674.79 × 9,876.65
  4. Step 4: Simplify right side
    16,445.75x = 243,704,264.65
  5. Step 5: Solve for x
    x = 243,704,264.65/16,445.75
  6. Step 6: Final answer
    x = 14,818.68

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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.