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Finding the Fourth Proportional to 8,353.96, 12,526.07 and 3,160.24

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Solution

The fourth proportional to 8,353.96, 12,526.07 and 3,160.24 is: 4,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.96 : 12,526.07 = 3,160.24 : x
  2. Step 2: Convert to fraction form
    8,353.96/12,526.07 = 3,160.24/x
  3. Step 3: Cross multiply
    8,353.96x = 12,526.07 × 3,160.24
  4. Step 4: Simplify right side
    8,353.96x = 39,585,364.04
  5. Step 5: Solve for x
    x = 39,585,364.04/8,353.96
  6. Step 6: Final answer
    x = 4,738.52

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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.