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Finding the Fourth Proportional to 10,622.81, 15,934.22 and 5,059.29

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Solution

The fourth proportional to 10,622.81, 15,934.22 and 5,059.29 is: 7,588.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622.81 : 15,934.22 = 5,059.29 : x
  2. Step 2: Convert to fraction form
    10,622.81/15,934.22 = 5,059.29/x
  3. Step 3: Cross multiply
    10,622.81x = 15,934.22 × 5,059.29
  4. Step 4: Simplify right side
    10,622.81x = 80,615,852.55
  5. Step 5: Solve for x
    x = 80,615,852.55/10,622.81
  6. Step 6: Final answer
    x = 7,588.94

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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.