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Finding the Fourth Proportional to 60,382.50, 90,486.21 and 34,031.16

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Solution

The fourth proportional to 60,382.50, 90,486.21 and 34,031.16 is: 50,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,382.50 : 90,486.21 = 34,031.16 : x
  2. Step 2: Convert to fraction form
    60,382.50/90,486.21 = 34,031.16/x
  3. Step 3: Cross multiply
    60,382.50x = 90,486.21 × 34,031.16
  4. Step 4: Simplify right side
    60,382.50x = 3,079,350,690.30
  5. Step 5: Solve for x
    x = 3,079,350,690.30/60,382.50
  6. Step 6: Final answer
    x = 50,997.40

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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.