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Finding the Fourth Proportional to 25,943.37, 38,920.14 and 9,298.95

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Solution

The fourth proportional to 25,943.37, 38,920.14 and 9,298.95 is: 13,950.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,943.37 : 38,920.14 = 9,298.95 : x
  2. Step 2: Convert to fraction form
    25,943.37/38,920.14 = 9,298.95/x
  3. Step 3: Cross multiply
    25,943.37x = 38,920.14 × 9,298.95
  4. Step 4: Simplify right side
    25,943.37x = 361,916,435.85
  5. Step 5: Solve for x
    x = 361,916,435.85/25,943.37
  6. Step 6: Final answer
    x = 13,950.25

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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.