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Finding the Fourth Proportional to 64,524.52, 89,047.38 and 36,234.28

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Solution

The fourth proportional to 64,524.52, 89,047.38 and 36,234.28 is: 50,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,524.52 : 89,047.38 = 36,234.28 : x
  2. Step 2: Convert to fraction form
    64,524.52/89,047.38 = 36,234.28/x
  3. Step 3: Cross multiply
    64,524.52x = 89,047.38 × 36,234.28
  4. Step 4: Simplify right side
    64,524.52x = 3,226,567,700.19
  5. Step 5: Solve for x
    x = 3,226,567,700.19/64,524.52
  6. Step 6: Final answer
    x = 50,005.30

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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.