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Finding the Fourth Proportional to 64,893.60, 89,556.57 and 38,044.76

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Solution

The fourth proportional to 64,893.60, 89,556.57 and 38,044.76 is: 52,503.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,893.60 : 89,556.57 = 38,044.76 : x
  2. Step 2: Convert to fraction form
    64,893.60/89,556.57 = 38,044.76/x
  3. Step 3: Cross multiply
    64,893.60x = 89,556.57 × 38,044.76
  4. Step 4: Simplify right side
    64,893.60x = 3,407,157,764.29
  5. Step 5: Solve for x
    x = 3,407,157,764.29/64,893.60
  6. Step 6: Final answer
    x = 52,503.76

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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.