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Finding the Fourth Proportional to 22,470.40, 33,699.81 and 6,671.68

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Solution

The fourth proportional to 22,470.40, 33,699.81 and 6,671.68 is: 10,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,470.40 : 33,699.81 = 6,671.68 : x
  2. Step 2: Convert to fraction form
    22,470.40/33,699.81 = 6,671.68/x
  3. Step 3: Cross multiply
    22,470.40x = 33,699.81 × 6,671.68
  4. Step 4: Simplify right side
    22,470.40x = 224,834,348.38
  5. Step 5: Solve for x
    x = 224,834,348.38/22,470.40
  6. Step 6: Final answer
    x = 10,005.80

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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.