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Finding the Fourth Proportional to 7,511.94, 11,256.94 and 4,225.95

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Solution

The fourth proportional to 7,511.94, 11,256.94 and 4,225.95 is: 6,332.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.94 : 11,256.94 = 4,225.95 : x
  2. Step 2: Convert to fraction form
    7,511.94/11,256.94 = 4,225.95/x
  3. Step 3: Cross multiply
    7,511.94x = 11,256.94 × 4,225.95
  4. Step 4: Simplify right side
    7,511.94x = 47,571,265.59
  5. Step 5: Solve for x
    x = 47,571,265.59/7,511.94
  6. Step 6: Final answer
    x = 6,332.75

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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.