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Finding the Fourth Proportional to 21,846.90, 32,742.93 and 9,352.20

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Solution

The fourth proportional to 21,846.90, 32,742.93 and 9,352.20 is: 14,016.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,846.90 : 32,742.93 = 9,352.20 : x
  2. Step 2: Convert to fraction form
    21,846.90/32,742.93 = 9,352.20/x
  3. Step 3: Cross multiply
    21,846.90x = 32,742.93 × 9,352.20
  4. Step 4: Simplify right side
    21,846.90x = 306,218,429.95
  5. Step 5: Solve for x
    x = 306,218,429.95/21,846.90
  6. Step 6: Final answer
    x = 14,016.56

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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.