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Finding the Fourth Proportional to 32,358, 44,645.31 and 18,932.55

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Solution

The fourth proportional to 32,358, 44,645.31 and 18,932.55 is: 26,121.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,358 : 44,645.31 = 18,932.55 : x
  2. Step 2: Convert to fraction form
    32,358/44,645.31 = 18,932.55/x
  3. Step 3: Cross multiply
    32,358x = 44,645.31 × 18,932.55
  4. Step 4: Simplify right side
    32,358x = 845,249,563.84
  5. Step 5: Solve for x
    x = 845,249,563.84/32,358
  6. Step 6: Final answer
    x = 26,121.81

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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.