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Finding the Fourth Proportional to 18,333.52, 25,300.11 and 9,950.02

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Solution

The fourth proportional to 18,333.52, 25,300.11 and 9,950.02 is: 13,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.52 : 25,300.11 = 9,950.02 : x
  2. Step 2: Convert to fraction form
    18,333.52/25,300.11 = 9,950.02/x
  3. Step 3: Cross multiply
    18,333.52x = 25,300.11 × 9,950.02
  4. Step 4: Simplify right side
    18,333.52x = 251,736,600.50
  5. Step 5: Solve for x
    x = 251,736,600.50/18,333.52
  6. Step 6: Final answer
    x = 13,730.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.