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Finding the Fourth Proportional to 14,425.60, 21,642.72 and 6,101.32

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Solution

The fourth proportional to 14,425.60, 21,642.72 and 6,101.32 is: 9,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425.60 : 21,642.72 = 6,101.32 : x
  2. Step 2: Convert to fraction form
    14,425.60/21,642.72 = 6,101.32/x
  3. Step 3: Cross multiply
    14,425.60x = 21,642.72 × 6,101.32
  4. Step 4: Simplify right side
    14,425.60x = 132,049,160.39
  5. Step 5: Solve for x
    x = 132,049,160.39/14,425.60
  6. Step 6: Final answer
    x = 9,153.81

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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.