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Finding the Fourth Proportional to 48,809.27, 73,213.95 and 19,210.97

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Solution

The fourth proportional to 48,809.27, 73,213.95 and 19,210.97 is: 28,816.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,809.27 : 73,213.95 = 19,210.97 : x
  2. Step 2: Convert to fraction form
    48,809.27/73,213.95 = 19,210.97/x
  3. Step 3: Cross multiply
    48,809.27x = 73,213.95 × 19,210.97
  4. Step 4: Simplify right side
    48,809.27x = 1,406,510,997.03
  5. Step 5: Solve for x
    x = 1,406,510,997.03/48,809.27
  6. Step 6: Final answer
    x = 28,816.47

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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.