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Finding the Fourth Proportional to 64,325.48, 88,766.55 and 35,645.57

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Solution

The fourth proportional to 64,325.48, 88,766.55 and 35,645.57 is: 49,189.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,325.48 : 88,766.55 = 35,645.57 : x
  2. Step 2: Convert to fraction form
    64,325.48/88,766.55 = 35,645.57/x
  3. Step 3: Cross multiply
    64,325.48x = 88,766.55 × 35,645.57
  4. Step 4: Simplify right side
    64,325.48x = 3,164,134,160.73
  5. Step 5: Solve for x
    x = 3,164,134,160.73/64,325.48
  6. Step 6: Final answer
    x = 49,189.44

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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.