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Finding the Fourth Proportional to 57,785.63, 79,742.63 and 32,292.20

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Solution

The fourth proportional to 57,785.63, 79,742.63 and 32,292.20 is: 44,562.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,785.63 : 79,742.63 = 32,292.20 : x
  2. Step 2: Convert to fraction form
    57,785.63/79,742.63 = 32,292.20/x
  3. Step 3: Cross multiply
    57,785.63x = 79,742.63 × 32,292.20
  4. Step 4: Simplify right side
    57,785.63x = 2,575,064,396.31
  5. Step 5: Solve for x
    x = 2,575,064,396.31/57,785.63
  6. Step 6: Final answer
    x = 44,562.37

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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.