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Finding the Fourth Proportional to 29,645.15, 40,911.80 and 17,552.57

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Solution

The fourth proportional to 29,645.15, 40,911.80 and 17,552.57 is: 24,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,645.15 : 40,911.80 = 17,552.57 : x
  2. Step 2: Convert to fraction form
    29,645.15/40,911.80 = 17,552.57/x
  3. Step 3: Cross multiply
    29,645.15x = 40,911.80 × 17,552.57
  4. Step 4: Simplify right side
    29,645.15x = 718,106,941.00
  5. Step 5: Solve for x
    x = 718,106,941.00/29,645.15
  6. Step 6: Final answer
    x = 24,223.42

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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.