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Finding the Fourth Proportional to 50,892.37, 70,225.65 and 28,225.62

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Solution

The fourth proportional to 50,892.37, 70,225.65 and 28,225.62 is: 38,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,892.37 : 70,225.65 = 28,225.62 : x
  2. Step 2: Convert to fraction form
    50,892.37/70,225.65 = 28,225.62/x
  3. Step 3: Cross multiply
    50,892.37x = 70,225.65 × 28,225.62
  4. Step 4: Simplify right side
    50,892.37x = 1,982,162,511.15
  5. Step 5: Solve for x
    x = 1,982,162,511.15/50,892.37
  6. Step 6: Final answer
    x = 38,948.13

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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.