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Finding the Fourth Proportional to 40,585.49, 56,007.81 and 22,680.49

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Solution

The fourth proportional to 40,585.49, 56,007.81 and 22,680.49 is: 31,298.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,585.49 : 56,007.81 = 22,680.49 : x
  2. Step 2: Convert to fraction form
    40,585.49/56,007.81 = 22,680.49/x
  3. Step 3: Cross multiply
    40,585.49x = 56,007.81 × 22,680.49
  4. Step 4: Simplify right side
    40,585.49x = 1,270,284,539.62
  5. Step 5: Solve for x
    x = 1,270,284,539.62/40,585.49
  6. Step 6: Final answer
    x = 31,298.98

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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.