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Finding the Fourth Proportional to 54,297.92, 74,931.15 and 33,077.18

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Solution

The fourth proportional to 54,297.92, 74,931.15 and 33,077.18 is: 45,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,297.92 : 74,931.15 = 33,077.18 : x
  2. Step 2: Convert to fraction form
    54,297.92/74,931.15 = 33,077.18/x
  3. Step 3: Cross multiply
    54,297.92x = 74,931.15 × 33,077.18
  4. Step 4: Simplify right side
    54,297.92x = 2,478,511,168.44
  5. Step 5: Solve for x
    x = 2,478,511,168.44/54,297.92
  6. Step 6: Final answer
    x = 45,646.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.