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Finding the Fourth Proportional to 57,582.90, 86,392.80 and 36,540.63

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Solution

The fourth proportional to 57,582.90, 86,392.80 and 36,540.63 is: 54,822.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,582.90 : 86,392.80 = 36,540.63 : x
  2. Step 2: Convert to fraction form
    57,582.90/86,392.80 = 36,540.63/x
  3. Step 3: Cross multiply
    57,582.90x = 86,392.80 × 36,540.63
  4. Step 4: Simplify right side
    57,582.90x = 3,156,847,339.46
  5. Step 5: Solve for x
    x = 3,156,847,339.46/57,582.90
  6. Step 6: Final answer
    x = 54,822.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.