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Finding the Fourth Proportional to 7,863.48, 11,792.25 and 2,315.25

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Solution

The fourth proportional to 7,863.48, 11,792.25 and 2,315.25 is: 3,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.48 : 11,792.25 = 2,315.25 : x
  2. Step 2: Convert to fraction form
    7,863.48/11,792.25 = 2,315.25/x
  3. Step 3: Cross multiply
    7,863.48x = 11,792.25 × 2,315.25
  4. Step 4: Simplify right side
    7,863.48x = 27,302,006.81
  5. Step 5: Solve for x
    x = 27,302,006.81/7,863.48
  6. Step 6: Final answer
    x = 3,472.00

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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.