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Finding the Fourth Proportional to 9,168.67, 12,652.63 and 5,582.80

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Solution

The fourth proportional to 9,168.67, 12,652.63 and 5,582.80 is: 7,704.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.67 : 12,652.63 = 5,582.80 : x
  2. Step 2: Convert to fraction form
    9,168.67/12,652.63 = 5,582.80/x
  3. Step 3: Cross multiply
    9,168.67x = 12,652.63 × 5,582.80
  4. Step 4: Simplify right side
    9,168.67x = 70,637,102.76
  5. Step 5: Solve for x
    x = 70,637,102.76/9,168.67
  6. Step 6: Final answer
    x = 7,704.18

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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.