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Finding the Fourth Proportional to 57,862.76, 79,885.44 and 37,754.51

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Solution

The fourth proportional to 57,862.76, 79,885.44 and 37,754.51 is: 52,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,862.76 : 79,885.44 = 37,754.51 : x
  2. Step 2: Convert to fraction form
    57,862.76/79,885.44 = 37,754.51/x
  3. Step 3: Cross multiply
    57,862.76x = 79,885.44 × 37,754.51
  4. Step 4: Simplify right side
    57,862.76x = 3,016,035,243.91
  5. Step 5: Solve for x
    x = 3,016,035,243.91/57,862.76
  6. Step 6: Final answer
    x = 52,123.95

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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.