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Finding the Fourth Proportional to 34,703.88, 47,891.47 and 18,788.39

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Solution

The fourth proportional to 34,703.88, 47,891.47 and 18,788.39 is: 25,928.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,703.88 : 47,891.47 = 18,788.39 : x
  2. Step 2: Convert to fraction form
    34,703.88/47,891.47 = 18,788.39/x
  3. Step 3: Cross multiply
    34,703.88x = 47,891.47 × 18,788.39
  4. Step 4: Simplify right side
    34,703.88x = 899,803,688.79
  5. Step 5: Solve for x
    x = 899,803,688.79/34,703.88
  6. Step 6: Final answer
    x = 25,928.04

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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.