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Finding the Fourth Proportional to 32,687.91, 48,988.76 and 12,955.68

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Solution

The fourth proportional to 32,687.91, 48,988.76 and 12,955.68 is: 19,416.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,687.91 : 48,988.76 = 12,955.68 : x
  2. Step 2: Convert to fraction form
    32,687.91/48,988.76 = 12,955.68/x
  3. Step 3: Cross multiply
    32,687.91x = 48,988.76 × 12,955.68
  4. Step 4: Simplify right side
    32,687.91x = 634,682,633.38
  5. Step 5: Solve for x
    x = 634,682,633.38/32,687.91
  6. Step 6: Final answer
    x = 19,416.43

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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.