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Finding the Fourth Proportional to 15,602.66, 23,405.94 and 7,167.14

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Solution

The fourth proportional to 15,602.66, 23,405.94 and 7,167.14 is: 10,751.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.66 : 23,405.94 = 7,167.14 : x
  2. Step 2: Convert to fraction form
    15,602.66/23,405.94 = 7,167.14/x
  3. Step 3: Cross multiply
    15,602.66x = 23,405.94 × 7,167.14
  4. Step 4: Simplify right side
    15,602.66x = 167,753,648.81
  5. Step 5: Solve for x
    x = 167,753,648.81/15,602.66
  6. Step 6: Final answer
    x = 10,751.61

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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.