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Finding the Fourth Proportional to 15,012.63, 22,516.83 and 9,449.01

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Solution

The fourth proportional to 15,012.63, 22,516.83 and 9,449.01 is: 14,172.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012.63 : 22,516.83 = 9,449.01 : x
  2. Step 2: Convert to fraction form
    15,012.63/22,516.83 = 9,449.01/x
  3. Step 3: Cross multiply
    15,012.63x = 22,516.83 × 9,449.01
  4. Step 4: Simplify right side
    15,012.63x = 212,761,751.84
  5. Step 5: Solve for x
    x = 212,761,751.84/15,012.63
  6. Step 6: Final answer
    x = 14,172.18

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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.