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Finding the Fourth Proportional to 18,595.76, 27,893.66 and 4,744.76

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Solution

The fourth proportional to 18,595.76, 27,893.66 and 4,744.76 is: 7,117.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,595.76 : 27,893.66 = 4,744.76 : x
  2. Step 2: Convert to fraction form
    18,595.76/27,893.66 = 4,744.76/x
  3. Step 3: Cross multiply
    18,595.76x = 27,893.66 × 4,744.76
  4. Step 4: Simplify right side
    18,595.76x = 132,348,722.22
  5. Step 5: Solve for x
    x = 132,348,722.22/18,595.76
  6. Step 6: Final answer
    x = 7,117.15

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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.