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Finding the Fourth Proportional to 32,641.62, 45,044.55 and 18,495.78

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Solution

The fourth proportional to 32,641.62, 45,044.55 and 18,495.78 is: 25,523.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,641.62 : 45,044.55 = 18,495.78 : x
  2. Step 2: Convert to fraction form
    32,641.62/45,044.55 = 18,495.78/x
  3. Step 3: Cross multiply
    32,641.62x = 45,044.55 × 18,495.78
  4. Step 4: Simplify right side
    32,641.62x = 833,134,087.00
  5. Step 5: Solve for x
    x = 833,134,087.00/32,641.62
  6. Step 6: Final answer
    x = 25,523.67

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Similar ratio
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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.