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Finding the Fourth Proportional to 60,090.49, 90,141 and 15,717.07

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Solution

The fourth proportional to 60,090.49, 90,141 and 15,717.07 is: 23,576.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,090.49 : 90,141 = 15,717.07 : x
  2. Step 2: Convert to fraction form
    60,090.49/90,141 = 15,717.07/x
  3. Step 3: Cross multiply
    60,090.49x = 90,141 × 15,717.07
  4. Step 4: Simplify right side
    60,090.49x = 1,416,752,406.87
  5. Step 5: Solve for x
    x = 1,416,752,406.87/60,090.49
  6. Step 6: Final answer
    x = 23,576.98

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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.