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Finding the Fourth Proportional to 10,866.63, 14,995.95 and 6,152.43

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Solution

The fourth proportional to 10,866.63, 14,995.95 and 6,152.43 is: 8,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866.63 : 14,995.95 = 6,152.43 : x
  2. Step 2: Convert to fraction form
    10,866.63/14,995.95 = 6,152.43/x
  3. Step 3: Cross multiply
    10,866.63x = 14,995.95 × 6,152.43
  4. Step 4: Simplify right side
    10,866.63x = 92,261,532.66
  5. Step 5: Solve for x
    x = 92,261,532.66/10,866.63
  6. Step 6: Final answer
    x = 8,490.35

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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.