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Finding the Fourth Proportional to 8,089.92, 12,130.02 and 5,484.96

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Solution

The fourth proportional to 8,089.92, 12,130.02 and 5,484.96 is: 8,224.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.92 : 12,130.02 = 5,484.96 : x
  2. Step 2: Convert to fraction form
    8,089.92/12,130.02 = 5,484.96/x
  3. Step 3: Cross multiply
    8,089.92x = 12,130.02 × 5,484.96
  4. Step 4: Simplify right side
    8,089.92x = 66,532,674.50
  5. Step 5: Solve for x
    x = 66,532,674.50/8,089.92
  6. Step 6: Final answer
    x = 8,224.14

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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.