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Finding the Fourth Proportional to 8,353.48, 11,522.74 and 5,520.88

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Solution

The fourth proportional to 8,353.48, 11,522.74 and 5,520.88 is: 7,615.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.48 : 11,522.74 = 5,520.88 : x
  2. Step 2: Convert to fraction form
    8,353.48/11,522.74 = 5,520.88/x
  3. Step 3: Cross multiply
    8,353.48x = 11,522.74 × 5,520.88
  4. Step 4: Simplify right side
    8,353.48x = 63,615,664.81
  5. Step 5: Solve for x
    x = 63,615,664.81/8,353.48
  6. Step 6: Final answer
    x = 7,615.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.