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Finding the Fourth Proportional to 7,896.98, 10,897.84 and 4,360.22

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Solution

The fourth proportional to 7,896.98, 10,897.84 and 4,360.22 is: 6,017.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.98 : 10,897.84 = 4,360.22 : x
  2. Step 2: Convert to fraction form
    7,896.98/10,897.84 = 4,360.22/x
  3. Step 3: Cross multiply
    7,896.98x = 10,897.84 × 4,360.22
  4. Step 4: Simplify right side
    7,896.98x = 47,516,979.92
  5. Step 5: Solve for x
    x = 47,516,979.92/7,896.98
  6. Step 6: Final answer
    x = 6,017.11

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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.