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Finding the Fourth Proportional to 50,892.08, 70,225.40 and 28,225.39

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Solution

The fourth proportional to 50,892.08, 70,225.40 and 28,225.39 is: 38,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,892.08 : 70,225.40 = 28,225.39 : x
  2. Step 2: Convert to fraction form
    50,892.08/70,225.40 = 28,225.39/x
  3. Step 3: Cross multiply
    50,892.08x = 70,225.40 × 28,225.39
  4. Step 4: Simplify right side
    50,892.08x = 1,982,139,355.41
  5. Step 5: Solve for x
    x = 1,982,139,355.41/50,892.08
  6. Step 6: Final answer
    x = 38,947.90

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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.