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Finding the Fourth Proportional to 32,998.60, 49,497.90 and 10,812.70

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Solution

The fourth proportional to 32,998.60, 49,497.90 and 10,812.70 is: 16,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,998.60 : 49,497.90 = 10,812.70 : x
  2. Step 2: Convert to fraction form
    32,998.60/49,497.90 = 10,812.70/x
  3. Step 3: Cross multiply
    32,998.60x = 49,497.90 × 10,812.70
  4. Step 4: Simplify right side
    32,998.60x = 535,205,943.33
  5. Step 5: Solve for x
    x = 535,205,943.33/32,998.60
  6. Step 6: Final answer
    x = 16,219.05

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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.