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Finding the Fourth Proportional to 24,980.39, 34,477.75 and 16,039.20

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Solution

The fourth proportional to 24,980.39, 34,477.75 and 16,039.20 is: 22,137.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,980.39 : 34,477.75 = 16,039.20 : x
  2. Step 2: Convert to fraction form
    24,980.39/34,477.75 = 16,039.20/x
  3. Step 3: Cross multiply
    24,980.39x = 34,477.75 × 16,039.20
  4. Step 4: Simplify right side
    24,980.39x = 552,995,527.80
  5. Step 5: Solve for x
    x = 552,995,527.80/24,980.39
  6. Step 6: Final answer
    x = 22,137.19

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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.