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Finding the Fourth Proportional to 3,875.53, 5,808.51 and 1,792.67

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Solution

The fourth proportional to 3,875.53, 5,808.51 and 1,792.67 is: 2,686.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.53 : 5,808.51 = 1,792.67 : x
  2. Step 2: Convert to fraction form
    3,875.53/5,808.51 = 1,792.67/x
  3. Step 3: Cross multiply
    3,875.53x = 5,808.51 × 1,792.67
  4. Step 4: Simplify right side
    3,875.53x = 10,412,712.58
  5. Step 5: Solve for x
    x = 10,412,712.58/3,875.53
  6. Step 6: Final answer
    x = 2,686.78

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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.