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Finding the Fourth Proportional to 10,671.66, 14,726.81 and 5,891.60

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Solution

The fourth proportional to 10,671.66, 14,726.81 and 5,891.60 is: 8,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671.66 : 14,726.81 = 5,891.60 : x
  2. Step 2: Convert to fraction form
    10,671.66/14,726.81 = 5,891.60/x
  3. Step 3: Cross multiply
    10,671.66x = 14,726.81 × 5,891.60
  4. Step 4: Simplify right side
    10,671.66x = 86,764,525.34
  5. Step 5: Solve for x
    x = 86,764,525.34/10,671.66
  6. Step 6: Final answer
    x = 8,130.37

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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.