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Finding the Fourth Proportional to 14,609.49, 21,907.74 and 9,062.61

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Solution

The fourth proportional to 14,609.49, 21,907.74 and 9,062.61 is: 13,589.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.49 : 21,907.74 = 9,062.61 : x
  2. Step 2: Convert to fraction form
    14,609.49/21,907.74 = 9,062.61/x
  3. Step 3: Cross multiply
    14,609.49x = 21,907.74 × 9,062.61
  4. Step 4: Simplify right side
    14,609.49x = 198,541,303.60
  5. Step 5: Solve for x
    x = 198,541,303.60/14,609.49
  6. Step 6: Final answer
    x = 13,589.89

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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.