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Finding the Fourth Proportional to 14,726.76, 20,322 and 8,352.60

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Solution

The fourth proportional to 14,726.76, 20,322 and 8,352.60 is: 11,526.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,726.76 : 20,322 = 8,352.60 : x
  2. Step 2: Convert to fraction form
    14,726.76/20,322 = 8,352.60/x
  3. Step 3: Cross multiply
    14,726.76x = 20,322 × 8,352.60
  4. Step 4: Simplify right side
    14,726.76x = 169,741,537.20
  5. Step 5: Solve for x
    x = 169,741,537.20/14,726.76
  6. Step 6: Final answer
    x = 11,526.06

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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.