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Finding the Fourth Proportional to 33,758.81, 46,587.16 and 18,854.81

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Solution

The fourth proportional to 33,758.81, 46,587.16 and 18,854.81 is: 26,019.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,758.81 : 46,587.16 = 18,854.81 : x
  2. Step 2: Convert to fraction form
    33,758.81/46,587.16 = 18,854.81/x
  3. Step 3: Cross multiply
    33,758.81x = 46,587.16 × 18,854.81
  4. Step 4: Simplify right side
    33,758.81x = 878,392,050.24
  5. Step 5: Solve for x
    x = 878,392,050.24/33,758.81
  6. Step 6: Final answer
    x = 26,019.64

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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.