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Finding the Fourth Proportional to 22,454.49, 33,681.45 and 8,603.49

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Solution

The fourth proportional to 22,454.49, 33,681.45 and 8,603.49 is: 12,905.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,454.49 : 33,681.45 = 8,603.49 : x
  2. Step 2: Convert to fraction form
    22,454.49/33,681.45 = 8,603.49/x
  3. Step 3: Cross multiply
    22,454.49x = 33,681.45 × 8,603.49
  4. Step 4: Simplify right side
    22,454.49x = 289,778,018.26
  5. Step 5: Solve for x
    x = 289,778,018.26/22,454.49
  6. Step 6: Final answer
    x = 12,905.13

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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.