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Finding the Fourth Proportional to 18,334, 25,300.92 and 9,950.50

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Solution

The fourth proportional to 18,334, 25,300.92 and 9,950.50 is: 13,731.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,334 : 25,300.92 = 9,950.50 : x
  2. Step 2: Convert to fraction form
    18,334/25,300.92 = 9,950.50/x
  3. Step 3: Cross multiply
    18,334x = 25,300.92 × 9,950.50
  4. Step 4: Simplify right side
    18,334x = 251,756,804.46
  5. Step 5: Solve for x
    x = 251,756,804.46/18,334
  6. Step 6: Final answer
    x = 13,731.69

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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.