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Finding the Fourth Proportional to 54,232.40, 81,348.60 and 19,175.60

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Solution

The fourth proportional to 54,232.40, 81,348.60 and 19,175.60 is: 28,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,232.40 : 81,348.60 = 19,175.60 : x
  2. Step 2: Convert to fraction form
    54,232.40/81,348.60 = 19,175.60/x
  3. Step 3: Cross multiply
    54,232.40x = 81,348.60 × 19,175.60
  4. Step 4: Simplify right side
    54,232.40x = 1,559,908,214.16
  5. Step 5: Solve for x
    x = 1,559,908,214.16/54,232.40
  6. Step 6: Final answer
    x = 28,763.40

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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.