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Finding the Fourth Proportional to 15,922.31, 23,850.63 and 9,328.49

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Solution

The fourth proportional to 15,922.31, 23,850.63 and 9,328.49 is: 13,973.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922.31 : 23,850.63 = 9,328.49 : x
  2. Step 2: Convert to fraction form
    15,922.31/23,850.63 = 9,328.49/x
  3. Step 3: Cross multiply
    15,922.31x = 23,850.63 × 9,328.49
  4. Step 4: Simplify right side
    15,922.31x = 222,490,363.45
  5. Step 5: Solve for x
    x = 222,490,363.45/15,922.31
  6. Step 6: Final answer
    x = 13,973.50

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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.