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Finding the Fourth Proportional to 57,799.50, 86,699.25 and 14,023.50

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Solution

The fourth proportional to 57,799.50, 86,699.25 and 14,023.50 is: 21,035.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,799.50 : 86,699.25 = 14,023.50 : x
  2. Step 2: Convert to fraction form
    57,799.50/86,699.25 = 14,023.50/x
  3. Step 3: Cross multiply
    57,799.50x = 86,699.25 × 14,023.50
  4. Step 4: Simplify right side
    57,799.50x = 1,215,826,932.38
  5. Step 5: Solve for x
    x = 1,215,826,932.38/57,799.50
  6. Step 6: Final answer
    x = 21,035.25

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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.