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Finding the Fourth Proportional to 40,014.50, 60,058.14 and 21,310.22

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Solution

The fourth proportional to 40,014.50, 60,058.14 and 21,310.22 is: 31,984.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,014.50 : 60,058.14 = 21,310.22 : x
  2. Step 2: Convert to fraction form
    40,014.50/60,058.14 = 21,310.22/x
  3. Step 3: Cross multiply
    40,014.50x = 60,058.14 × 21,310.22
  4. Step 4: Simplify right side
    40,014.50x = 1,279,852,176.19
  5. Step 5: Solve for x
    x = 1,279,852,176.19/40,014.50
  6. Step 6: Final answer
    x = 31,984.71

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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.