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Finding the Fourth Proportional to 29,040.53, 40,079.84 and 17,103.77

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Solution

The fourth proportional to 29,040.53, 40,079.84 and 17,103.77 is: 23,605.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,040.53 : 40,079.84 = 17,103.77 : x
  2. Step 2: Convert to fraction form
    29,040.53/40,079.84 = 17,103.77/x
  3. Step 3: Cross multiply
    29,040.53x = 40,079.84 × 17,103.77
  4. Step 4: Simplify right side
    29,040.53x = 685,516,079.08
  5. Step 5: Solve for x
    x = 685,516,079.08/29,040.53
  6. Step 6: Final answer
    x = 23,605.49

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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.