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Finding the Fourth Proportional to 15,993.21, 23,993.52 and 4,901.52

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Solution

The fourth proportional to 15,993.21, 23,993.52 and 4,901.52 is: 7,353.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993.21 : 23,993.52 = 4,901.52 : x
  2. Step 2: Convert to fraction form
    15,993.21/23,993.52 = 4,901.52/x
  3. Step 3: Cross multiply
    15,993.21x = 23,993.52 × 4,901.52
  4. Step 4: Simplify right side
    15,993.21x = 117,604,718.15
  5. Step 5: Solve for x
    x = 117,604,718.15/15,993.21
  6. Step 6: Final answer
    x = 7,353.42

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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.