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Finding the Fourth Proportional to 76,576.68, 114,865.02 and 23,990.26

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Solution

The fourth proportional to 76,576.68, 114,865.02 and 23,990.26 is: 35,985.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,576.68 : 114,865.02 = 23,990.26 : x
  2. Step 2: Convert to fraction form
    76,576.68/114,865.02 = 23,990.26/x
  3. Step 3: Cross multiply
    76,576.68x = 114,865.02 × 23,990.26
  4. Step 4: Simplify right side
    76,576.68x = 2,755,641,694.71
  5. Step 5: Solve for x
    x = 2,755,641,694.71/76,576.68
  6. Step 6: Final answer
    x = 35,985.39

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Double scale
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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.