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Finding the Fourth Proportional to 64,384.56, 96,590.52 and 20,010.24

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Solution

The fourth proportional to 64,384.56, 96,590.52 and 20,010.24 is: 30,019.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,384.56 : 96,590.52 = 20,010.24 : x
  2. Step 2: Convert to fraction form
    64,384.56/96,590.52 = 20,010.24/x
  3. Step 3: Cross multiply
    64,384.56x = 96,590.52 × 20,010.24
  4. Step 4: Simplify right side
    64,384.56x = 1,932,799,486.92
  5. Step 5: Solve for x
    x = 1,932,799,486.92/64,384.56
  6. Step 6: Final answer
    x = 30,019.61

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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.