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Finding the Fourth Proportional to 10,551.25, 14,561 and 6,359.77

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Solution

The fourth proportional to 10,551.25, 14,561 and 6,359.77 is: 8,776.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.25 : 14,561 = 6,359.77 : x
  2. Step 2: Convert to fraction form
    10,551.25/14,561 = 6,359.77/x
  3. Step 3: Cross multiply
    10,551.25x = 14,561 × 6,359.77
  4. Step 4: Simplify right side
    10,551.25x = 92,604,610.97
  5. Step 5: Solve for x
    x = 92,604,610.97/10,551.25
  6. Step 6: Final answer
    x = 8,776.65

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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.