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Finding the Fourth Proportional to 15,005.01, 20,701.94 and 9,034.41

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Solution

The fourth proportional to 15,005.01, 20,701.94 and 9,034.41 is: 12,464.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,005.01 : 20,701.94 = 9,034.41 : x
  2. Step 2: Convert to fraction form
    15,005.01/20,701.94 = 9,034.41/x
  3. Step 3: Cross multiply
    15,005.01x = 20,701.94 × 9,034.41
  4. Step 4: Simplify right side
    15,005.01x = 187,029,768.58
  5. Step 5: Solve for x
    x = 187,029,768.58/15,005.01
  6. Step 6: Final answer
    x = 12,464.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.