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Finding the Fourth Proportional to 17,700.83, 26,551.24 and 7,312.85

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Solution

The fourth proportional to 17,700.83, 26,551.24 and 7,312.85 is: 10,969.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,700.83 : 26,551.24 = 7,312.85 : x
  2. Step 2: Convert to fraction form
    17,700.83/26,551.24 = 7,312.85/x
  3. Step 3: Cross multiply
    17,700.83x = 26,551.24 × 7,312.85
  4. Step 4: Simplify right side
    17,700.83x = 194,165,235.43
  5. Step 5: Solve for x
    x = 194,165,235.43/17,700.83
  6. Step 6: Final answer
    x = 10,969.27

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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.