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Finding the Fourth Proportional to 6,487.77, 9,726.04 and 5,506.99

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Solution

The fourth proportional to 6,487.77, 9,726.04 and 5,506.99 is: 8,255.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.77 : 9,726.04 = 5,506.99 : x
  2. Step 2: Convert to fraction form
    6,487.77/9,726.04 = 5,506.99/x
  3. Step 3: Cross multiply
    6,487.77x = 9,726.04 × 5,506.99
  4. Step 4: Simplify right side
    6,487.77x = 53,561,205.02
  5. Step 5: Solve for x
    x = 53,561,205.02/6,487.77
  6. Step 6: Final answer
    x = 8,255.72

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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.