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Finding the Fourth Proportional to 19,862.96, 29,800.92 and 9,473.36

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Solution

The fourth proportional to 19,862.96, 29,800.92 and 9,473.36 is: 14,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.96 : 29,800.92 = 9,473.36 : x
  2. Step 2: Convert to fraction form
    19,862.96/29,800.92 = 9,473.36/x
  3. Step 3: Cross multiply
    19,862.96x = 29,800.92 × 9,473.36
  4. Step 4: Simplify right side
    19,862.96x = 282,314,843.49
  5. Step 5: Solve for x
    x = 282,314,843.49/19,862.96
  6. Step 6: Final answer
    x = 14,213.13

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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.