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Finding the Fourth Proportional to 14,615.80, 21,923.70 and 9,051.10

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Solution

The fourth proportional to 14,615.80, 21,923.70 and 9,051.10 is: 13,576.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.80 : 21,923.70 = 9,051.10 : x
  2. Step 2: Convert to fraction form
    14,615.80/21,923.70 = 9,051.10/x
  3. Step 3: Cross multiply
    14,615.80x = 21,923.70 × 9,051.10
  4. Step 4: Simplify right side
    14,615.80x = 198,433,601.07
  5. Step 5: Solve for x
    x = 198,433,601.07/14,615.80
  6. Step 6: Final answer
    x = 13,576.65

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Similar ratio
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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.