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Finding the Fourth Proportional to 60,207.04, 90,366 and 30,646

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Solution

The fourth proportional to 60,207.04, 90,366 and 30,646 is: 45,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,207.04 : 90,366 = 30,646 : x
  2. Step 2: Convert to fraction form
    60,207.04/90,366 = 30,646/x
  3. Step 3: Cross multiply
    60,207.04x = 90,366 × 30,646
  4. Step 4: Simplify right side
    60,207.04x = 2,769,356,436
  5. Step 5: Solve for x
    x = 2,769,356,436/60,207.04
  6. Step 6: Final answer
    x = 45,997.22

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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.