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Finding the Fourth Proportional to 7,896.87, 10,897.74 and 4,360.68

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Solution

The fourth proportional to 7,896.87, 10,897.74 and 4,360.68 is: 6,017.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.87 : 10,897.74 = 4,360.68 : x
  2. Step 2: Convert to fraction form
    7,896.87/10,897.74 = 4,360.68/x
  3. Step 3: Cross multiply
    7,896.87x = 10,897.74 × 4,360.68
  4. Step 4: Simplify right side
    7,896.87x = 47,521,556.86
  5. Step 5: Solve for x
    x = 47,521,556.86/7,896.87
  6. Step 6: Final answer
    x = 6,017.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.