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Finding the Fourth Proportional to 14,601.62, 21,918.82 and 5,842.64

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Solution

The fourth proportional to 14,601.62, 21,918.82 and 5,842.64 is: 8,770.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,601.62 : 21,918.82 = 5,842.64 : x
  2. Step 2: Convert to fraction form
    14,601.62/21,918.82 = 5,842.64/x
  3. Step 3: Cross multiply
    14,601.62x = 21,918.82 × 5,842.64
  4. Step 4: Simplify right side
    14,601.62x = 128,063,774.48
  5. Step 5: Solve for x
    x = 128,063,774.48/14,601.62
  6. Step 6: Final answer
    x = 8,770.52

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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.