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Finding the Fourth Proportional to 19,374.29, 29,061.54 and 6,894.80

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Solution

The fourth proportional to 19,374.29, 29,061.54 and 6,894.80 is: 10,342.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,374.29 : 29,061.54 = 6,894.80 : x
  2. Step 2: Convert to fraction form
    19,374.29/29,061.54 = 6,894.80/x
  3. Step 3: Cross multiply
    19,374.29x = 29,061.54 × 6,894.80
  4. Step 4: Simplify right side
    19,374.29x = 200,373,469.67
  5. Step 5: Solve for x
    x = 200,373,469.67/19,374.29
  6. Step 6: Final answer
    x = 10,342.24

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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.