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Finding the Fourth Proportional to 89,853.40, 134,755.80 and 26,673.40

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Solution

The fourth proportional to 89,853.40, 134,755.80 and 26,673.40 is: 40,002.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,853.40 : 134,755.80 = 26,673.40 : x
  2. Step 2: Convert to fraction form
    89,853.40/134,755.80 = 26,673.40/x
  3. Step 3: Cross multiply
    89,853.40x = 134,755.80 × 26,673.40
  4. Step 4: Simplify right side
    89,853.40x = 3,594,395,355.72
  5. Step 5: Solve for x
    x = 3,594,395,355.72/89,853.40
  6. Step 6: Final answer
    x = 40,002.89

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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.