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Finding the Fourth Proportional to 60,393.93, 90,621 and 27,137.76

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Solution

The fourth proportional to 60,393.93, 90,621 and 27,137.76 is: 40,720.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,393.93 : 90,621 = 27,137.76 : x
  2. Step 2: Convert to fraction form
    60,393.93/90,621 = 27,137.76/x
  3. Step 3: Cross multiply
    60,393.93x = 90,621 × 27,137.76
  4. Step 4: Simplify right side
    60,393.93x = 2,459,250,948.96
  5. Step 5: Solve for x
    x = 2,459,250,948.96/60,393.93
  6. Step 6: Final answer
    x = 40,720.17

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1.5x scale

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.