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Finding the Fourth Proportional to 54,254.40, 74,870.40 and 33,033.60

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Solution

The fourth proportional to 54,254.40, 74,870.40 and 33,033.60 is: 45,585.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,254.40 : 74,870.40 = 33,033.60 : x
  2. Step 2: Convert to fraction form
    54,254.40/74,870.40 = 33,033.60/x
  3. Step 3: Cross multiply
    54,254.40x = 74,870.40 × 33,033.60
  4. Step 4: Simplify right side
    54,254.40x = 2,473,238,845.44
  5. Step 5: Solve for x
    x = 2,473,238,845.44/54,254.40
  6. Step 6: Final answer
    x = 45,585.96

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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.