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Finding the Fourth Proportional to 33,681.61, 46,481.61 and 18,574.71

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Solution

The fourth proportional to 33,681.61, 46,481.61 and 18,574.71 is: 25,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,681.61 : 46,481.61 = 18,574.71 : x
  2. Step 2: Convert to fraction form
    33,681.61/46,481.61 = 18,574.71/x
  3. Step 3: Cross multiply
    33,681.61x = 46,481.61 × 18,574.71
  4. Step 4: Simplify right side
    33,681.61x = 863,382,426.08
  5. Step 5: Solve for x
    x = 863,382,426.08/33,681.61
  6. Step 6: Final answer
    x = 25,633.64

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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.