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Finding the Fourth Proportional to 48,200.70, 72,301.05 and 21,956.70

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Solution

The fourth proportional to 48,200.70, 72,301.05 and 21,956.70 is: 32,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,200.70 : 72,301.05 = 21,956.70 : x
  2. Step 2: Convert to fraction form
    48,200.70/72,301.05 = 21,956.70/x
  3. Step 3: Cross multiply
    48,200.70x = 72,301.05 × 21,956.70
  4. Step 4: Simplify right side
    48,200.70x = 1,587,492,464.54
  5. Step 5: Solve for x
    x = 1,587,492,464.54/48,200.70
  6. Step 6: Final answer
    x = 32,935.05

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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.