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Finding the Fourth Proportional to 57,491.34, 79,338.02 and 32,340.84

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Solution

The fourth proportional to 57,491.34, 79,338.02 and 32,340.84 is: 44,630.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,491.34 : 79,338.02 = 32,340.84 : x
  2. Step 2: Convert to fraction form
    57,491.34/79,338.02 = 32,340.84/x
  3. Step 3: Cross multiply
    57,491.34x = 79,338.02 × 32,340.84
  4. Step 4: Simplify right side
    57,491.34x = 2,565,858,210.74
  5. Step 5: Solve for x
    x = 2,565,858,210.74/57,491.34
  6. Step 6: Final answer
    x = 44,630.34

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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.