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Finding the Fourth Proportional to 14,473.60, 21,699.06 and 6,154.90

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Solution

The fourth proportional to 14,473.60, 21,699.06 and 6,154.90 is: 9,227.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,473.60 : 21,699.06 = 6,154.90 : x
  2. Step 2: Convert to fraction form
    14,473.60/21,699.06 = 6,154.90/x
  3. Step 3: Cross multiply
    14,473.60x = 21,699.06 × 6,154.90
  4. Step 4: Simplify right side
    14,473.60x = 133,555,544.39
  5. Step 5: Solve for x
    x = 133,555,544.39/14,473.60
  6. Step 6: Final answer
    x = 9,227.53

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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.