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Finding the Fourth Proportional to 15,068.80, 22,606.80 and 7,674.40

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Solution

The fourth proportional to 15,068.80, 22,606.80 and 7,674.40 is: 11,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068.80 : 22,606.80 = 7,674.40 : x
  2. Step 2: Convert to fraction form
    15,068.80/22,606.80 = 7,674.40/x
  3. Step 3: Cross multiply
    15,068.80x = 22,606.80 × 7,674.40
  4. Step 4: Simplify right side
    15,068.80x = 173,493,625.92
  5. Step 5: Solve for x
    x = 173,493,625.92/15,068.80
  6. Step 6: Final answer
    x = 11,513.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.