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Finding the Fourth Proportional to 22,454.47, 33,663.43 and 8,406.63

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Solution

The fourth proportional to 22,454.47, 33,663.43 and 8,406.63 is: 12,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,454.47 : 33,663.43 = 8,406.63 : x
  2. Step 2: Convert to fraction form
    22,454.47/33,663.43 = 8,406.63/x
  3. Step 3: Cross multiply
    22,454.47x = 33,663.43 × 8,406.63
  4. Step 4: Simplify right side
    22,454.47x = 282,996,000.54
  5. Step 5: Solve for x
    x = 282,996,000.54/22,454.47
  6. Step 6: Final answer
    x = 12,603.10

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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.