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Finding the Fourth Proportional to 19,703.38, 29,555.08 and 5,852.38

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Solution

The fourth proportional to 19,703.38, 29,555.08 and 5,852.38 is: 8,778.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,703.38 : 29,555.08 = 5,852.38 : x
  2. Step 2: Convert to fraction form
    19,703.38/29,555.08 = 5,852.38/x
  3. Step 3: Cross multiply
    19,703.38x = 29,555.08 × 5,852.38
  4. Step 4: Simplify right side
    19,703.38x = 172,967,529.83
  5. Step 5: Solve for x
    x = 172,967,529.83/19,703.38
  6. Step 6: Final answer
    x = 8,778.57

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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.