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Finding the Fourth Proportional to 64,555.70, 96,849.11 and 22,429.64

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Solution

The fourth proportional to 64,555.70, 96,849.11 and 22,429.64 is: 33,649.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,555.70 : 96,849.11 = 22,429.64 : x
  2. Step 2: Convert to fraction form
    64,555.70/96,849.11 = 22,429.64/x
  3. Step 3: Cross multiply
    64,555.70x = 96,849.11 × 22,429.64
  4. Step 4: Simplify right side
    64,555.70x = 2,172,290,969.82
  5. Step 5: Solve for x
    x = 2,172,290,969.82/64,555.70
  6. Step 6: Final answer
    x = 33,649.87

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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.