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Finding the Fourth Proportional to 14,436.88, 21,655.94 and 4,575.94

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Solution

The fourth proportional to 14,436.88, 21,655.94 and 4,575.94 is: 6,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,436.88 : 21,655.94 = 4,575.94 : x
  2. Step 2: Convert to fraction form
    14,436.88/21,655.94 = 4,575.94/x
  3. Step 3: Cross multiply
    14,436.88x = 21,655.94 × 4,575.94
  4. Step 4: Simplify right side
    14,436.88x = 99,096,205.06
  5. Step 5: Solve for x
    x = 99,096,205.06/14,436.88
  6. Step 6: Final answer
    x = 6,864.10

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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.