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Finding the Fourth Proportional to 64,247.32, 96,329.86 and 30,900.98

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Solution

The fourth proportional to 64,247.32, 96,329.86 and 30,900.98 is: 46,331.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,247.32 : 96,329.86 = 30,900.98 : x
  2. Step 2: Convert to fraction form
    64,247.32/96,329.86 = 30,900.98/x
  3. Step 3: Cross multiply
    64,247.32x = 96,329.86 × 30,900.98
  4. Step 4: Simplify right side
    64,247.32x = 2,976,687,077.26
  5. Step 5: Solve for x
    x = 2,976,687,077.26/64,247.32
  6. Step 6: Final answer
    x = 46,331.69

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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.