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Finding the Fourth Proportional to 48,448.40, 66,859.44 and 27,226.40

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Solution

The fourth proportional to 48,448.40, 66,859.44 and 27,226.40 is: 37,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,448.40 : 66,859.44 = 27,226.40 : x
  2. Step 2: Convert to fraction form
    48,448.40/66,859.44 = 27,226.40/x
  3. Step 3: Cross multiply
    48,448.40x = 66,859.44 × 27,226.40
  4. Step 4: Simplify right side
    48,448.40x = 1,820,341,857.22
  5. Step 5: Solve for x
    x = 1,820,341,857.22/48,448.40
  6. Step 6: Final answer
    x = 37,572.80

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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.