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Finding the Fourth Proportional to 89,686.78, 134,483.44 and 33,480.66

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Solution

The fourth proportional to 89,686.78, 134,483.44 and 33,480.66 is: 50,203.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,686.78 : 134,483.44 = 33,480.66 : x
  2. Step 2: Convert to fraction form
    89,686.78/134,483.44 = 33,480.66/x
  3. Step 3: Cross multiply
    89,686.78x = 134,483.44 × 33,480.66
  4. Step 4: Simplify right side
    89,686.78x = 4,502,594,330.27
  5. Step 5: Solve for x
    x = 4,502,594,330.27/89,686.78
  6. Step 6: Final answer
    x = 50,203.55

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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.