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Finding the Fourth Proportional to 87,588.54, 120,874.60 and 53,596.42

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Solution

The fourth proportional to 87,588.54, 120,874.60 and 53,596.42 is: 73,964.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,588.54 : 120,874.60 = 53,596.42 : x
  2. Step 2: Convert to fraction form
    87,588.54/120,874.60 = 53,596.42/x
  3. Step 3: Cross multiply
    87,588.54x = 120,874.60 × 53,596.42
  4. Step 4: Simplify right side
    87,588.54x = 6,478,445,828.93
  5. Step 5: Solve for x
    x = 6,478,445,828.93/87,588.54
  6. Step 6: Final answer
    x = 73,964.54

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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.