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Finding the Fourth Proportional to 40,588.62, 55,976.04 and 25,482.71

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Solution

The fourth proportional to 40,588.62, 55,976.04 and 25,482.71 is: 35,143.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,588.62 : 55,976.04 = 25,482.71 : x
  2. Step 2: Convert to fraction form
    40,588.62/55,976.04 = 25,482.71/x
  3. Step 3: Cross multiply
    40,588.62x = 55,976.04 × 25,482.71
  4. Step 4: Simplify right side
    40,588.62x = 1,426,420,914.39
  5. Step 5: Solve for x
    x = 1,426,420,914.39/40,588.62
  6. Step 6: Final answer
    x = 35,143.37

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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.