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Finding the Fourth Proportional to 48,396.98, 66,784.20 and 27,172.20

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Solution

The fourth proportional to 48,396.98, 66,784.20 and 27,172.20 is: 37,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,396.98 : 66,784.20 = 27,172.20 : x
  2. Step 2: Convert to fraction form
    48,396.98/66,784.20 = 27,172.20/x
  3. Step 3: Cross multiply
    48,396.98x = 66,784.20 × 27,172.20
  4. Step 4: Simplify right side
    48,396.98x = 1,814,673,639.24
  5. Step 5: Solve for x
    x = 1,814,673,639.24/48,396.98
  6. Step 6: Final answer
    x = 37,495.60

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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.