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Finding the Fourth Proportional to 6,611.23, 9,966.89 and 6,254.02

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Solution

The fourth proportional to 6,611.23, 9,966.89 and 6,254.02 is: 9,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.23 : 9,966.89 = 6,254.02 : x
  2. Step 2: Convert to fraction form
    6,611.23/9,966.89 = 6,254.02/x
  3. Step 3: Cross multiply
    6,611.23x = 9,966.89 × 6,254.02
  4. Step 4: Simplify right side
    6,611.23x = 62,333,129.40
  5. Step 5: Solve for x
    x = 62,333,129.40/6,611.23
  6. Step 6: Final answer
    x = 9,428.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.