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Finding the Fourth Proportional to 7,907.52, 11,863.23 and 5,572.09

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Solution

The fourth proportional to 7,907.52, 11,863.23 and 5,572.09 is: 8,359.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907.52 : 11,863.23 = 5,572.09 : x
  2. Step 2: Convert to fraction form
    7,907.52/11,863.23 = 5,572.09/x
  3. Step 3: Cross multiply
    7,907.52x = 11,863.23 × 5,572.09
  4. Step 4: Simplify right side
    7,907.52x = 66,102,925.93
  5. Step 5: Solve for x
    x = 66,102,925.93/7,907.52
  6. Step 6: Final answer
    x = 8,359.50

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Double scale
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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.