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Finding the Fourth Proportional to 15,356.08, 23,018.18 and 7,446.89

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Solution

The fourth proportional to 15,356.08, 23,018.18 and 7,446.89 is: 11,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,356.08 : 23,018.18 = 7,446.89 : x
  2. Step 2: Convert to fraction form
    15,356.08/23,018.18 = 7,446.89/x
  3. Step 3: Cross multiply
    15,356.08x = 23,018.18 × 7,446.89
  4. Step 4: Simplify right side
    15,356.08x = 171,413,745.29
  5. Step 5: Solve for x
    x = 171,413,745.29/15,356.08
  6. Step 6: Final answer
    x = 11,162.60

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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.