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Finding the Fourth Proportional to 3,792.48, 5,688.80 and 1,484.48

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Solution

The fourth proportional to 3,792.48, 5,688.80 and 1,484.48 is: 2,226.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.48 : 5,688.80 = 1,484.48 : x
  2. Step 2: Convert to fraction form
    3,792.48/5,688.80 = 1,484.48/x
  3. Step 3: Cross multiply
    3,792.48x = 5,688.80 × 1,484.48
  4. Step 4: Simplify right side
    3,792.48x = 8,444,909.82
  5. Step 5: Solve for x
    x = 8,444,909.82/3,792.48
  6. Step 6: Final answer
    x = 2,226.75

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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.