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Finding the Fourth Proportional to 31,999.94, 48,008.82 and 9,814.04

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Solution

The fourth proportional to 31,999.94, 48,008.82 and 9,814.04 is: 14,723.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,999.94 : 48,008.82 = 9,814.04 : x
  2. Step 2: Convert to fraction form
    31,999.94/48,008.82 = 9,814.04/x
  3. Step 3: Cross multiply
    31,999.94x = 48,008.82 × 9,814.04
  4. Step 4: Simplify right side
    31,999.94x = 471,160,479.83
  5. Step 5: Solve for x
    x = 471,160,479.83/31,999.94
  6. Step 6: Final answer
    x = 14,723.79

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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.