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Finding the Fourth Proportional to 15,099.60, 22,649.86 and 7,202.96

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Solution

The fourth proportional to 15,099.60, 22,649.86 and 7,202.96 is: 10,804.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,099.60 : 22,649.86 = 7,202.96 : x
  2. Step 2: Convert to fraction form
    15,099.60/22,649.86 = 7,202.96/x
  3. Step 3: Cross multiply
    15,099.60x = 22,649.86 × 7,202.96
  4. Step 4: Simplify right side
    15,099.60x = 163,146,035.59
  5. Step 5: Solve for x
    x = 163,146,035.59/15,099.60
  6. Step 6: Final answer
    x = 10,804.66

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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.