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Finding the Fourth Proportional to 32,645.36, 45,046.55 and 19,893.89

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Solution

The fourth proportional to 32,645.36, 45,046.55 and 19,893.89 is: 27,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,645.36 : 45,046.55 = 19,893.89 : x
  2. Step 2: Convert to fraction form
    32,645.36/45,046.55 = 19,893.89/x
  3. Step 3: Cross multiply
    32,645.36x = 45,046.55 × 19,893.89
  4. Step 4: Simplify right side
    32,645.36x = 896,151,272.93
  5. Step 5: Solve for x
    x = 896,151,272.93/32,645.36
  6. Step 6: Final answer
    x = 27,451.10

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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.