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Finding the Fourth Proportional to 8,576.40, 11,834.76 and 5,039.10

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Solution

The fourth proportional to 8,576.40, 11,834.76 and 5,039.10 is: 6,953.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,576.40 : 11,834.76 = 5,039.10 : x
  2. Step 2: Convert to fraction form
    8,576.40/11,834.76 = 5,039.10/x
  3. Step 3: Cross multiply
    8,576.40x = 11,834.76 × 5,039.10
  4. Step 4: Simplify right side
    8,576.40x = 59,636,539.12
  5. Step 5: Solve for x
    x = 59,636,539.12/8,576.40
  6. Step 6: Final answer
    x = 6,953.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.