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Finding the Fourth Proportional to 57,726.42, 79,633.11 and 35,059.38

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Solution

The fourth proportional to 57,726.42, 79,633.11 and 35,059.38 is: 48,364.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,726.42 : 79,633.11 = 35,059.38 : x
  2. Step 2: Convert to fraction form
    57,726.42/79,633.11 = 35,059.38/x
  3. Step 3: Cross multiply
    57,726.42x = 79,633.11 × 35,059.38
  4. Step 4: Simplify right side
    57,726.42x = 2,791,887,464.07
  5. Step 5: Solve for x
    x = 2,791,887,464.07/57,726.42
  6. Step 6: Final answer
    x = 48,364.12

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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.