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Finding the Fourth Proportional to 15,691.08, 23,518.06 and 6,907.64

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Solution

The fourth proportional to 15,691.08, 23,518.06 and 6,907.64 is: 10,353.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,691.08 : 23,518.06 = 6,907.64 : x
  2. Step 2: Convert to fraction form
    15,691.08/23,518.06 = 6,907.64/x
  3. Step 3: Cross multiply
    15,691.08x = 23,518.06 × 6,907.64
  4. Step 4: Simplify right side
    15,691.08x = 162,454,291.98
  5. Step 5: Solve for x
    x = 162,454,291.98/15,691.08
  6. Step 6: Final answer
    x = 10,353.29

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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.