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Finding the Fourth Proportional to 22,428.61, 33,644.54 and 9,095.20

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Solution

The fourth proportional to 22,428.61, 33,644.54 and 9,095.20 is: 13,643.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428.61 : 33,644.54 = 9,095.20 : x
  2. Step 2: Convert to fraction form
    22,428.61/33,644.54 = 9,095.20/x
  3. Step 3: Cross multiply
    22,428.61x = 33,644.54 × 9,095.20
  4. Step 4: Simplify right side
    22,428.61x = 306,003,820.21
  5. Step 5: Solve for x
    x = 306,003,820.21/22,428.61
  6. Step 6: Final answer
    x = 13,643.46

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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.