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Finding the Fourth Proportional to 28,469.01, 42,708.09 and 10,701.03

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Solution

The fourth proportional to 28,469.01, 42,708.09 and 10,701.03 is: 16,053.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,469.01 : 42,708.09 = 10,701.03 : x
  2. Step 2: Convert to fraction form
    28,469.01/42,708.09 = 10,701.03/x
  3. Step 3: Cross multiply
    28,469.01x = 42,708.09 × 10,701.03
  4. Step 4: Simplify right side
    28,469.01x = 457,020,552.33
  5. Step 5: Solve for x
    x = 457,020,552.33/28,469.01
  6. Step 6: Final answer
    x = 16,053.26

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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.