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Finding the Fourth Proportional to 57,900.89, 79,897.58 and 32,405.74

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Solution

The fourth proportional to 57,900.89, 79,897.58 and 32,405.74 is: 44,716.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,900.89 : 79,897.58 = 32,405.74 : x
  2. Step 2: Convert to fraction form
    57,900.89/79,897.58 = 32,405.74/x
  3. Step 3: Cross multiply
    57,900.89x = 79,897.58 × 32,405.74
  4. Step 4: Simplify right side
    57,900.89x = 2,589,140,204.11
  5. Step 5: Solve for x
    x = 2,589,140,204.11/57,900.89
  6. Step 6: Final answer
    x = 44,716.76

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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.