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Finding the Fourth Proportional to 24,999.77, 34,499.77 and 13,669.40

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Solution

The fourth proportional to 24,999.77, 34,499.77 and 13,669.40 is: 18,863.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,999.77 : 34,499.77 = 13,669.40 : x
  2. Step 2: Convert to fraction form
    24,999.77/34,499.77 = 13,669.40/x
  3. Step 3: Cross multiply
    24,999.77x = 34,499.77 × 13,669.40
  4. Step 4: Simplify right side
    24,999.77x = 471,591,208.11
  5. Step 5: Solve for x
    x = 471,591,208.11/24,999.77
  6. Step 6: Final answer
    x = 18,863.82

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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.