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Finding the Fourth Proportional to 57,441.80, 79,268.64 and 31,948.04

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Solution

The fourth proportional to 57,441.80, 79,268.64 and 31,948.04 is: 44,087.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,441.80 : 79,268.64 = 31,948.04 : x
  2. Step 2: Convert to fraction form
    57,441.80/79,268.64 = 31,948.04/x
  3. Step 3: Cross multiply
    57,441.80x = 79,268.64 × 31,948.04
  4. Step 4: Simplify right side
    57,441.80x = 2,532,477,681.47
  5. Step 5: Solve for x
    x = 2,532,477,681.47/57,441.80
  6. Step 6: Final answer
    x = 44,087.71

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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.