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Finding the Fourth Proportional to 38,533, 57,799.50 and 9,349

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Solution

The fourth proportional to 38,533, 57,799.50 and 9,349 is: 14,023.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,533 : 57,799.50 = 9,349 : x
  2. Step 2: Convert to fraction form
    38,533/57,799.50 = 9,349/x
  3. Step 3: Cross multiply
    38,533x = 57,799.50 × 9,349
  4. Step 4: Simplify right side
    38,533x = 540,367,525.50
  5. Step 5: Solve for x
    x = 540,367,525.50/38,533
  6. Step 6: Final answer
    x = 14,023.50

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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.