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Finding the Fourth Proportional to 32,831, 45,307.88 and 18,684.76

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Solution

The fourth proportional to 32,831, 45,307.88 and 18,684.76 is: 25,785.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,831 : 45,307.88 = 18,684.76 : x
  2. Step 2: Convert to fraction form
    32,831/45,307.88 = 18,684.76/x
  3. Step 3: Cross multiply
    32,831x = 45,307.88 × 18,684.76
  4. Step 4: Simplify right side
    32,831x = 846,566,863.91
  5. Step 5: Solve for x
    x = 846,566,863.91/32,831
  6. Step 6: Final answer
    x = 25,785.59

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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.