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Finding the Fourth Proportional to 19,406.98, 29,108.04 and 6,257.98

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Solution

The fourth proportional to 19,406.98, 29,108.04 and 6,257.98 is: 9,386.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,406.98 : 29,108.04 = 6,257.98 : x
  2. Step 2: Convert to fraction form
    19,406.98/29,108.04 = 6,257.98/x
  3. Step 3: Cross multiply
    19,406.98x = 29,108.04 × 6,257.98
  4. Step 4: Simplify right side
    19,406.98x = 182,157,532.16
  5. Step 5: Solve for x
    x = 182,157,532.16/19,406.98
  6. Step 6: Final answer
    x = 9,386.19

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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.