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Finding the Fourth Proportional to 2,527.96, 3,792.26 and 988.76

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Solution

The fourth proportional to 2,527.96, 3,792.26 and 988.76 is: 1,483.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,527.96 : 3,792.26 = 988.76 : x
  2. Step 2: Convert to fraction form
    2,527.96/3,792.26 = 988.76/x
  3. Step 3: Cross multiply
    2,527.96x = 3,792.26 × 988.76
  4. Step 4: Simplify right side
    2,527.96x = 3,749,635.00
  5. Step 5: Solve for x
    x = 3,749,635.00/2,527.96
  6. Step 6: Final answer
    x = 1,483.27

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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.