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Finding the Fourth Proportional to 64,125.50, 96,198.58 and 19,752.23

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Solution

The fourth proportional to 64,125.50, 96,198.58 and 19,752.23 is: 29,631.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,125.50 : 96,198.58 = 19,752.23 : x
  2. Step 2: Convert to fraction form
    64,125.50/96,198.58 = 19,752.23/x
  3. Step 3: Cross multiply
    64,125.50x = 96,198.58 × 19,752.23
  4. Step 4: Simplify right side
    64,125.50x = 1,900,136,477.83
  5. Step 5: Solve for x
    x = 1,900,136,477.83/64,125.50
  6. Step 6: Final answer
    x = 29,631.53

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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.