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Finding the Fourth Proportional to 32,904.48, 45,408.24 and 19,486.56

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Solution

The fourth proportional to 32,904.48, 45,408.24 and 19,486.56 is: 26,891.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,904.48 : 45,408.24 = 19,486.56 : x
  2. Step 2: Convert to fraction form
    32,904.48/45,408.24 = 19,486.56/x
  3. Step 3: Cross multiply
    32,904.48x = 45,408.24 × 19,486.56
  4. Step 4: Simplify right side
    32,904.48x = 884,850,393.25
  5. Step 5: Solve for x
    x = 884,850,393.25/32,904.48
  6. Step 6: Final answer
    x = 26,891.49

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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.