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Finding the Fourth Proportional to 8,395.07, 12,578.01 and 5,890.95

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Solution

The fourth proportional to 8,395.07, 12,578.01 and 5,890.95 is: 8,826.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.07 : 12,578.01 = 5,890.95 : x
  2. Step 2: Convert to fraction form
    8,395.07/12,578.01 = 5,890.95/x
  3. Step 3: Cross multiply
    8,395.07x = 12,578.01 × 5,890.95
  4. Step 4: Simplify right side
    8,395.07x = 74,096,428.01
  5. Step 5: Solve for x
    x = 74,096,428.01/8,395.07
  6. Step 6: Final answer
    x = 8,826.19

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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.