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Finding the Fourth Proportional to 14,445.91, 19,934.69 and 8,482.69

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Solution

The fourth proportional to 14,445.91, 19,934.69 and 8,482.69 is: 11,705.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.91 : 19,934.69 = 8,482.69 : x
  2. Step 2: Convert to fraction form
    14,445.91/19,934.69 = 8,482.69/x
  3. Step 3: Cross multiply
    14,445.91x = 19,934.69 × 8,482.69
  4. Step 4: Simplify right side
    14,445.91x = 169,099,703.27
  5. Step 5: Solve for x
    x = 169,099,703.27/14,445.91
  6. Step 6: Final answer
    x = 11,705.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.