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Finding the Fourth Proportional to 48,516.90, 66,957.21 and 27,294.90

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Solution

The fourth proportional to 48,516.90, 66,957.21 and 27,294.90 is: 37,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,516.90 : 66,957.21 = 27,294.90 : x
  2. Step 2: Convert to fraction form
    48,516.90/66,957.21 = 27,294.90/x
  3. Step 3: Cross multiply
    48,516.90x = 66,957.21 × 27,294.90
  4. Step 4: Simplify right side
    48,516.90x = 1,827,590,351.23
  5. Step 5: Solve for x
    x = 1,827,590,351.23/48,516.90
  6. Step 6: Final answer
    x = 37,669.15

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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.