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Finding the Fourth Proportional to 57,931.88, 79,954.54 and 36,713.08

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Solution

The fourth proportional to 57,931.88, 79,954.54 and 36,713.08 is: 50,669.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,931.88 : 79,954.54 = 36,713.08 : x
  2. Step 2: Convert to fraction form
    57,931.88/79,954.54 = 36,713.08/x
  3. Step 3: Cross multiply
    57,931.88x = 79,954.54 × 36,713.08
  4. Step 4: Simplify right side
    57,931.88x = 2,935,377,423.38
  5. Step 5: Solve for x
    x = 2,935,377,423.38/57,931.88
  6. Step 6: Final answer
    x = 50,669.47

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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.