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Finding the Fourth Proportional to 57,492.76, 79,342.62 and 32,000.76

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Solution

The fourth proportional to 57,492.76, 79,342.62 and 32,000.76 is: 44,162.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,492.76 : 79,342.62 = 32,000.76 : x
  2. Step 2: Convert to fraction form
    57,492.76/79,342.62 = 32,000.76/x
  3. Step 3: Cross multiply
    57,492.76x = 79,342.62 × 32,000.76
  4. Step 4: Simplify right side
    57,492.76x = 2,539,023,743.68
  5. Step 5: Solve for x
    x = 2,539,023,743.68/57,492.76
  6. Step 6: Final answer
    x = 44,162.50

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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.