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Finding the Fourth Proportional to 73,280.01, 109,924.47 and 20,693.46

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Solution

The fourth proportional to 73,280.01, 109,924.47 and 20,693.46 is: 31,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,280.01 : 109,924.47 = 20,693.46 : x
  2. Step 2: Convert to fraction form
    73,280.01/109,924.47 = 20,693.46/x
  3. Step 3: Cross multiply
    73,280.01x = 109,924.47 × 20,693.46
  4. Step 4: Simplify right side
    73,280.01x = 2,274,717,622.97
  5. Step 5: Solve for x
    x = 2,274,717,622.97/73,280.01
  6. Step 6: Final answer
    x = 31,041.45

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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.