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Finding the Fourth Proportional to 32,448.38, 48,651.65 and 12,728.93

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Solution

The fourth proportional to 32,448.38, 48,651.65 and 12,728.93 is: 19,085.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,448.38 : 48,651.65 = 12,728.93 : x
  2. Step 2: Convert to fraction form
    32,448.38/48,651.65 = 12,728.93/x
  3. Step 3: Cross multiply
    32,448.38x = 48,651.65 × 12,728.93
  4. Step 4: Simplify right side
    32,448.38x = 619,283,383.59
  5. Step 5: Solve for x
    x = 619,283,383.59/32,448.38
  6. Step 6: Final answer
    x = 19,085.19

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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.