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Finding the Fourth Proportional to 19,606.64, 27,057.04 and 10,654

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Solution

The fourth proportional to 19,606.64, 27,057.04 and 10,654 is: 14,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,606.64 : 27,057.04 = 10,654 : x
  2. Step 2: Convert to fraction form
    19,606.64/27,057.04 = 10,654/x
  3. Step 3: Cross multiply
    19,606.64x = 27,057.04 × 10,654
  4. Step 4: Simplify right side
    19,606.64x = 288,265,704.16
  5. Step 5: Solve for x
    x = 288,265,704.16/19,606.64
  6. Step 6: Final answer
    x = 14,702.45

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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.