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Finding the Fourth Proportional to 10,802.82, 14,908.02 and 6,611.07

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Solution

The fourth proportional to 10,802.82, 14,908.02 and 6,611.07 is: 9,123.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,802.82 : 14,908.02 = 6,611.07 : x
  2. Step 2: Convert to fraction form
    10,802.82/14,908.02 = 6,611.07/x
  3. Step 3: Cross multiply
    10,802.82x = 14,908.02 × 6,611.07
  4. Step 4: Simplify right side
    10,802.82x = 98,557,963.78
  5. Step 5: Solve for x
    x = 98,557,963.78/10,802.82
  6. Step 6: Final answer
    x = 9,123.36

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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.