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Finding the Fourth Proportional to 48,369.40, 66,746.10 and 27,144.56

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Solution

The fourth proportional to 48,369.40, 66,746.10 and 27,144.56 is: 37,457.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,369.40 : 66,746.10 = 27,144.56 : x
  2. Step 2: Convert to fraction form
    48,369.40/66,746.10 = 27,144.56/x
  3. Step 3: Cross multiply
    48,369.40x = 66,746.10 × 27,144.56
  4. Step 4: Simplify right side
    48,369.40x = 1,811,793,784.87
  5. Step 5: Solve for x
    x = 1,811,793,784.87/48,369.40
  6. Step 6: Final answer
    x = 37,457.44

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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.