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Finding the Fourth Proportional to 57,471.41, 79,309.77 and 32,320.91

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Solution

The fourth proportional to 57,471.41, 79,309.77 and 32,320.91 is: 44,602.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,471.41 : 79,309.77 = 32,320.91 : x
  2. Step 2: Convert to fraction form
    57,471.41/79,309.77 = 32,320.91/x
  3. Step 3: Cross multiply
    57,471.41x = 79,309.77 × 32,320.91
  4. Step 4: Simplify right side
    57,471.41x = 2,563,363,541.74
  5. Step 5: Solve for x
    x = 2,563,363,541.74/57,471.41
  6. Step 6: Final answer
    x = 44,602.42

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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.