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Finding the Fourth Proportional to 8,989.92, 13,484.70 and 4,056.03

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Solution

The fourth proportional to 8,989.92, 13,484.70 and 4,056.03 is: 6,083.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.92 : 13,484.70 = 4,056.03 : x
  2. Step 2: Convert to fraction form
    8,989.92/13,484.70 = 4,056.03/x
  3. Step 3: Cross multiply
    8,989.92x = 13,484.70 × 4,056.03
  4. Step 4: Simplify right side
    8,989.92x = 54,694,347.74
  5. Step 5: Solve for x
    x = 54,694,347.74/8,989.92
  6. Step 6: Final answer
    x = 6,083.96

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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.