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Finding the Fourth Proportional to 10,099.54, 15,149.08 and 2,703.99

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Solution

The fourth proportional to 10,099.54, 15,149.08 and 2,703.99 is: 4,055.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099.54 : 15,149.08 = 2,703.99 : x
  2. Step 2: Convert to fraction form
    10,099.54/15,149.08 = 2,703.99/x
  3. Step 3: Cross multiply
    10,099.54x = 15,149.08 × 2,703.99
  4. Step 4: Simplify right side
    10,099.54x = 40,963,021.02
  5. Step 5: Solve for x
    x = 40,963,021.02/10,099.54
  6. Step 6: Final answer
    x = 4,055.93

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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.