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Finding the Fourth Proportional to 17,874.73, 26,812.10 and 10,530.46

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Solution

The fourth proportional to 17,874.73, 26,812.10 and 10,530.46 is: 15,795.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,874.73 : 26,812.10 = 10,530.46 : x
  2. Step 2: Convert to fraction form
    17,874.73/26,812.10 = 10,530.46/x
  3. Step 3: Cross multiply
    17,874.73x = 26,812.10 × 10,530.46
  4. Step 4: Simplify right side
    17,874.73x = 282,343,746.57
  5. Step 5: Solve for x
    x = 282,343,746.57/17,874.73
  6. Step 6: Final answer
    x = 15,795.69

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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.