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Finding the Fourth Proportional to 32,513.94, 48,758.67 and 12,781.71

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Solution

The fourth proportional to 32,513.94, 48,758.67 and 12,781.71 is: 19,167.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,513.94 : 48,758.67 = 12,781.71 : x
  2. Step 2: Convert to fraction form
    32,513.94/48,758.67 = 12,781.71/x
  3. Step 3: Cross multiply
    32,513.94x = 48,758.67 × 12,781.71
  4. Step 4: Simplify right side
    32,513.94x = 623,219,179.93
  5. Step 5: Solve for x
    x = 623,219,179.93/32,513.94
  6. Step 6: Final answer
    x = 19,167.75

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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.