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Finding the Fourth Proportional to 7,896.51, 10,897.25 and 4,359.64

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Solution

The fourth proportional to 7,896.51, 10,897.25 and 4,359.64 is: 6,016.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.51 : 10,897.25 = 4,359.64 : x
  2. Step 2: Convert to fraction form
    7,896.51/10,897.25 = 4,359.64/x
  3. Step 3: Cross multiply
    7,896.51x = 10,897.25 × 4,359.64
  4. Step 4: Simplify right side
    7,896.51x = 47,508,086.99
  5. Step 5: Solve for x
    x = 47,508,086.99/7,896.51
  6. Step 6: Final answer
    x = 6,016.34

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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.