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Finding the Fourth Proportional to 8,644.51, 12,952.18 and 5,713.93

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Solution

The fourth proportional to 8,644.51, 12,952.18 and 5,713.93 is: 8,561.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,644.51 : 12,952.18 = 5,713.93 : x
  2. Step 2: Convert to fraction form
    8,644.51/12,952.18 = 5,713.93/x
  3. Step 3: Cross multiply
    8,644.51x = 12,952.18 × 5,713.93
  4. Step 4: Simplify right side
    8,644.51x = 74,007,849.87
  5. Step 5: Solve for x
    x = 74,007,849.87/8,644.51
  6. Step 6: Final answer
    x = 8,561.25

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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.