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Finding the Fourth Proportional to 44,896.96, 67,345.78 and 19,930.30

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Solution

The fourth proportional to 44,896.96, 67,345.78 and 19,930.30 is: 29,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,896.96 : 67,345.78 = 19,930.30 : x
  2. Step 2: Convert to fraction form
    44,896.96/67,345.78 = 19,930.30/x
  3. Step 3: Cross multiply
    44,896.96x = 67,345.78 × 19,930.30
  4. Step 4: Simplify right side
    44,896.96x = 1,342,221,599.13
  5. Step 5: Solve for x
    x = 1,342,221,599.13/44,896.96
  6. Step 6: Final answer
    x = 29,895.60

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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.