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Finding the Fourth Proportional to 57,605.85, 79,486.44 and 32,106.63

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Solution

The fourth proportional to 57,605.85, 79,486.44 and 32,106.63 is: 44,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,605.85 : 79,486.44 = 32,106.63 : x
  2. Step 2: Convert to fraction form
    57,605.85/79,486.44 = 32,106.63/x
  3. Step 3: Cross multiply
    57,605.85x = 79,486.44 × 32,106.63
  4. Step 4: Simplify right side
    57,605.85x = 2,552,041,719.10
  5. Step 5: Solve for x
    x = 2,552,041,719.10/57,605.85
  6. Step 6: Final answer
    x = 44,301.78

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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.