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Finding the Fourth Proportional to 60,390.48, 90,498.22 and 34,039.14

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Solution

The fourth proportional to 60,390.48, 90,498.22 and 34,039.14 is: 51,009.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,390.48 : 90,498.22 = 34,039.14 : x
  2. Step 2: Convert to fraction form
    60,390.48/90,498.22 = 34,039.14/x
  3. Step 3: Cross multiply
    60,390.48x = 90,498.22 × 34,039.14
  4. Step 4: Simplify right side
    60,390.48x = 3,080,481,580.33
  5. Step 5: Solve for x
    x = 3,080,481,580.33/60,390.48
  6. Step 6: Final answer
    x = 51,009.39

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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.