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Finding the Fourth Proportional to 64,191.88, 96,296.70 and 19,822.12

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Solution

The fourth proportional to 64,191.88, 96,296.70 and 19,822.12 is: 29,735.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,191.88 : 96,296.70 = 19,822.12 : x
  2. Step 2: Convert to fraction form
    64,191.88/96,296.70 = 19,822.12/x
  3. Step 3: Cross multiply
    64,191.88x = 96,296.70 × 19,822.12
  4. Step 4: Simplify right side
    64,191.88x = 1,908,804,743.00
  5. Step 5: Solve for x
    x = 1,908,804,743.00/64,191.88
  6. Step 6: Final answer
    x = 29,735.92

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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.