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Finding the Fourth Proportional to 57,954.60, 86,931.02 and 16,401.56

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Solution

The fourth proportional to 57,954.60, 86,931.02 and 16,401.56 is: 24,602.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,954.60 : 86,931.02 = 16,401.56 : x
  2. Step 2: Convert to fraction form
    57,954.60/86,931.02 = 16,401.56/x
  3. Step 3: Cross multiply
    57,954.60x = 86,931.02 × 16,401.56
  4. Step 4: Simplify right side
    57,954.60x = 1,425,804,340.39
  5. Step 5: Solve for x
    x = 1,425,804,340.39/57,954.60
  6. Step 6: Final answer
    x = 24,602.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.