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Finding the Fourth Proportional to 10,860.41, 14,988.98 and 6,881.89

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Solution

The fourth proportional to 10,860.41, 14,988.98 and 6,881.89 is: 9,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.41 : 14,988.98 = 6,881.89 : x
  2. Step 2: Convert to fraction form
    10,860.41/14,988.98 = 6,881.89/x
  3. Step 3: Cross multiply
    10,860.41x = 14,988.98 × 6,881.89
  4. Step 4: Simplify right side
    10,860.41x = 103,152,511.57
  5. Step 5: Solve for x
    x = 103,152,511.57/10,860.41
  6. Step 6: Final answer
    x = 9,498.03

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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.