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Finding the Fourth Proportional to 17,572.98, 26,359.46 and 7,184.72

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Solution

The fourth proportional to 17,572.98, 26,359.46 and 7,184.72 is: 10,777.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,572.98 : 26,359.46 = 7,184.72 : x
  2. Step 2: Convert to fraction form
    17,572.98/26,359.46 = 7,184.72/x
  3. Step 3: Cross multiply
    17,572.98x = 26,359.46 × 7,184.72
  4. Step 4: Simplify right side
    17,572.98x = 189,385,339.45
  5. Step 5: Solve for x
    x = 189,385,339.45/17,572.98
  6. Step 6: Final answer
    x = 10,777.08

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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.