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Finding the Fourth Proportional to 19,603.96, 29,406.42 and 5,753.40

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Solution

The fourth proportional to 19,603.96, 29,406.42 and 5,753.40 is: 8,630.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.96 : 29,406.42 = 5,753.40 : x
  2. Step 2: Convert to fraction form
    19,603.96/29,406.42 = 5,753.40/x
  3. Step 3: Cross multiply
    19,603.96x = 29,406.42 × 5,753.40
  4. Step 4: Simplify right side
    19,603.96x = 169,186,896.83
  5. Step 5: Solve for x
    x = 169,186,896.83/19,603.96
  6. Step 6: Final answer
    x = 8,630.24

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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.