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Finding the Fourth Proportional to 35,355.21, 53,047.20 and 22,719.14

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Solution

The fourth proportional to 35,355.21, 53,047.20 and 22,719.14 is: 34,087.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,355.21 : 53,047.20 = 22,719.14 : x
  2. Step 2: Convert to fraction form
    35,355.21/53,047.20 = 22,719.14/x
  3. Step 3: Cross multiply
    35,355.21x = 53,047.20 × 22,719.14
  4. Step 4: Simplify right side
    35,355.21x = 1,205,186,498.17
  5. Step 5: Solve for x
    x = 1,205,186,498.17/35,355.21
  6. Step 6: Final answer
    x = 34,087.95

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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.