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Finding the Fourth Proportional to 21,884.76, 32,799.06 and 9,390.24

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Solution

The fourth proportional to 21,884.76, 32,799.06 and 9,390.24 is: 14,073.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,884.76 : 32,799.06 = 9,390.24 : x
  2. Step 2: Convert to fraction form
    21,884.76/32,799.06 = 9,390.24/x
  3. Step 3: Cross multiply
    21,884.76x = 32,799.06 × 9,390.24
  4. Step 4: Simplify right side
    21,884.76x = 307,991,045.17
  5. Step 5: Solve for x
    x = 307,991,045.17/21,884.76
  6. Step 6: Final answer
    x = 14,073.31

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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.