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Finding the Fourth Proportional to 5,726.98, 8,629.48 and 4,709.77

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Solution

The fourth proportional to 5,726.98, 8,629.48 and 4,709.77 is: 7,096.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.98 : 8,629.48 = 4,709.77 : x
  2. Step 2: Convert to fraction form
    5,726.98/8,629.48 = 4,709.77/x
  3. Step 3: Cross multiply
    5,726.98x = 8,629.48 × 4,709.77
  4. Step 4: Simplify right side
    5,726.98x = 40,642,866.02
  5. Step 5: Solve for x
    x = 40,642,866.02/5,726.98
  6. Step 6: Final answer
    x = 7,096.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.