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Finding the Fourth Proportional to 50,497.77, 75,719.91 and 15,428.01

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Solution

The fourth proportional to 50,497.77, 75,719.91 and 15,428.01 is: 23,133.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,497.77 : 75,719.91 = 15,428.01 : x
  2. Step 2: Convert to fraction form
    50,497.77/75,719.91 = 15,428.01/x
  3. Step 3: Cross multiply
    50,497.77x = 75,719.91 × 15,428.01
  4. Step 4: Simplify right side
    50,497.77x = 1,168,207,528.68
  5. Step 5: Solve for x
    x = 1,168,207,528.68/50,497.77
  6. Step 6: Final answer
    x = 23,133.84

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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.