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Finding the Fourth Proportional to 32,070.73, 44,228.76 and 20,728.30

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Solution

The fourth proportional to 32,070.73, 44,228.76 and 20,728.30 is: 28,586.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,070.73 : 44,228.76 = 20,728.30 : x
  2. Step 2: Convert to fraction form
    32,070.73/44,228.76 = 20,728.30/x
  3. Step 3: Cross multiply
    32,070.73x = 44,228.76 × 20,728.30
  4. Step 4: Simplify right side
    32,070.73x = 916,787,005.91
  5. Step 5: Solve for x
    x = 916,787,005.91/32,070.73
  6. Step 6: Final answer
    x = 28,586.41

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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.