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Finding the Fourth Proportional to 19,888.29, 29,838.03 and 6,741.66

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Solution

The fourth proportional to 19,888.29, 29,838.03 and 6,741.66 is: 10,114.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.29 : 29,838.03 = 6,741.66 : x
  2. Step 2: Convert to fraction form
    19,888.29/29,838.03 = 6,741.66/x
  3. Step 3: Cross multiply
    19,888.29x = 29,838.03 × 6,741.66
  4. Step 4: Simplify right side
    19,888.29x = 201,157,853.33
  5. Step 5: Solve for x
    x = 201,157,853.33/19,888.29
  6. Step 6: Final answer
    x = 10,114.39

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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.