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Finding the Fourth Proportional to 19,099.02, 28,644.80 and 9,608.80

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Solution

The fourth proportional to 19,099.02, 28,644.80 and 9,608.80 is: 14,411.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,099.02 : 28,644.80 = 9,608.80 : x
  2. Step 2: Convert to fraction form
    19,099.02/28,644.80 = 9,608.80/x
  3. Step 3: Cross multiply
    19,099.02x = 28,644.80 × 9,608.80
  4. Step 4: Simplify right side
    19,099.02x = 275,242,154.24
  5. Step 5: Solve for x
    x = 275,242,154.24/19,099.02
  6. Step 6: Final answer
    x = 14,411.32

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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.