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Finding the Fourth Proportional to 66,359.01, 99,538.53 and 19,608.24

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Solution

The fourth proportional to 66,359.01, 99,538.53 and 19,608.24 is: 29,412.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,359.01 : 99,538.53 = 19,608.24 : x
  2. Step 2: Convert to fraction form
    66,359.01/99,538.53 = 19,608.24/x
  3. Step 3: Cross multiply
    66,359.01x = 99,538.53 × 19,608.24
  4. Step 4: Simplify right side
    66,359.01x = 1,951,775,385.49
  5. Step 5: Solve for x
    x = 1,951,775,385.49/66,359.01
  6. Step 6: Final answer
    x = 29,412.36

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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.