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Finding the Fourth Proportional to 65,234.49, 90,023.94 and 36,554.22

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Solution

The fourth proportional to 65,234.49, 90,023.94 and 36,554.22 is: 50,445.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,234.49 : 90,023.94 = 36,554.22 : x
  2. Step 2: Convert to fraction form
    65,234.49/90,023.94 = 36,554.22/x
  3. Step 3: Cross multiply
    65,234.49x = 90,023.94 × 36,554.22
  4. Step 4: Simplify right side
    65,234.49x = 3,290,754,908.03
  5. Step 5: Solve for x
    x = 3,290,754,908.03/65,234.49
  6. Step 6: Final answer
    x = 50,445.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.