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Finding the Fourth Proportional to 48,841.40, 73,270.20 and 19,260.20

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Solution

The fourth proportional to 48,841.40, 73,270.20 and 19,260.20 is: 28,893.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,841.40 : 73,270.20 = 19,260.20 : x
  2. Step 2: Convert to fraction form
    48,841.40/73,270.20 = 19,260.20/x
  3. Step 3: Cross multiply
    48,841.40x = 73,270.20 × 19,260.20
  4. Step 4: Simplify right side
    48,841.40x = 1,411,198,706.04
  5. Step 5: Solve for x
    x = 1,411,198,706.04/48,841.40
  6. Step 6: Final answer
    x = 28,893.49

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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.