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Finding the Fourth Proportional to 18,595.87, 25,624.15 and 17,283.31

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Solution

The fourth proportional to 18,595.87, 25,624.15 and 17,283.31 is: 23,815.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,595.87 : 25,624.15 = 17,283.31 : x
  2. Step 2: Convert to fraction form
    18,595.87/25,624.15 = 17,283.31/x
  3. Step 3: Cross multiply
    18,595.87x = 25,624.15 × 17,283.31
  4. Step 4: Simplify right side
    18,595.87x = 442,870,127.94
  5. Step 5: Solve for x
    x = 442,870,127.94/18,595.87
  6. Step 6: Final answer
    x = 23,815.51

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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.