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Finding the Fourth Proportional to 34,703.68, 47,891.01 and 18,788.12

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Solution

The fourth proportional to 34,703.68, 47,891.01 and 18,788.12 is: 25,927.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,703.68 : 47,891.01 = 18,788.12 : x
  2. Step 2: Convert to fraction form
    34,703.68/47,891.01 = 18,788.12/x
  3. Step 3: Cross multiply
    34,703.68x = 47,891.01 × 18,788.12
  4. Step 4: Simplify right side
    34,703.68x = 899,782,042.80
  5. Step 5: Solve for x
    x = 899,782,042.80/34,703.68
  6. Step 6: Final answer
    x = 25,927.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.