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Finding the Fourth Proportional to 19,406.70, 29,110.05 and 6,259.07

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Solution

The fourth proportional to 19,406.70, 29,110.05 and 6,259.07 is: 9,388.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,406.70 : 29,110.05 = 6,259.07 : x
  2. Step 2: Convert to fraction form
    19,406.70/29,110.05 = 6,259.07/x
  3. Step 3: Cross multiply
    19,406.70x = 29,110.05 × 6,259.07
  4. Step 4: Simplify right side
    19,406.70x = 182,201,913.43
  5. Step 5: Solve for x
    x = 182,201,913.43/19,406.70
  6. Step 6: Final answer
    x = 9,388.61

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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.