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Finding the Fourth Proportional to 29,963.67, 44,945.69 and 13,319.79

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Solution

The fourth proportional to 29,963.67, 44,945.69 and 13,319.79 is: 19,979.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,963.67 : 44,945.69 = 13,319.79 : x
  2. Step 2: Convert to fraction form
    29,963.67/44,945.69 = 13,319.79/x
  3. Step 3: Cross multiply
    29,963.67x = 44,945.69 × 13,319.79
  4. Step 4: Simplify right side
    29,963.67x = 598,667,085.61
  5. Step 5: Solve for x
    x = 598,667,085.61/29,963.67
  6. Step 6: Final answer
    x = 19,979.77

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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.