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Finding the Fourth Proportional to 57,800.72, 86,701.08 and 16,247.72

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Solution

The fourth proportional to 57,800.72, 86,701.08 and 16,247.72 is: 24,371.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,800.72 : 86,701.08 = 16,247.72 : x
  2. Step 2: Convert to fraction form
    57,800.72/86,701.08 = 16,247.72/x
  3. Step 3: Cross multiply
    57,800.72x = 86,701.08 × 16,247.72
  4. Step 4: Simplify right side
    57,800.72x = 1,408,695,088.29
  5. Step 5: Solve for x
    x = 1,408,695,088.29/57,800.72
  6. Step 6: Final answer
    x = 24,371.58

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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.