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Finding the Fourth Proportional to 32,788.67, 45,248.37 and 18,642.38

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Solution

The fourth proportional to 32,788.67, 45,248.37 and 18,642.38 is: 25,726.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,788.67 : 45,248.37 = 18,642.38 : x
  2. Step 2: Convert to fraction form
    32,788.67/45,248.37 = 18,642.38/x
  3. Step 3: Cross multiply
    32,788.67x = 45,248.37 × 18,642.38
  4. Step 4: Simplify right side
    32,788.67x = 843,537,307.92
  5. Step 5: Solve for x
    x = 843,537,307.92/32,788.67
  6. Step 6: Final answer
    x = 25,726.49

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Double scale
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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.