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Finding the Fourth Proportional to 57,593.40, 79,478.82 and 32,443.08

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Solution

The fourth proportional to 57,593.40, 79,478.82 and 32,443.08 is: 44,771.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,593.40 : 79,478.82 = 32,443.08 : x
  2. Step 2: Convert to fraction form
    57,593.40/79,478.82 = 32,443.08/x
  3. Step 3: Cross multiply
    57,593.40x = 79,478.82 × 32,443.08
  4. Step 4: Simplify right side
    57,593.40x = 2,578,537,715.57
  5. Step 5: Solve for x
    x = 2,578,537,715.57/57,593.40
  6. Step 6: Final answer
    x = 44,771.41

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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.