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Finding the Fourth Proportional to 20,326.58, 30,502.89 and 10,973.11

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Solution

The fourth proportional to 20,326.58, 30,502.89 and 10,973.11 is: 16,466.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,326.58 : 30,502.89 = 10,973.11 : x
  2. Step 2: Convert to fraction form
    20,326.58/30,502.89 = 10,973.11/x
  3. Step 3: Cross multiply
    20,326.58x = 30,502.89 × 10,973.11
  4. Step 4: Simplify right side
    20,326.58x = 334,711,512.42
  5. Step 5: Solve for x
    x = 334,711,512.42/20,326.58
  6. Step 6: Final answer
    x = 16,466.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.