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Finding the Fourth Proportional to 9,146.79, 13,721.00 and 2,573.03

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Solution

The fourth proportional to 9,146.79, 13,721.00 and 2,573.03 is: 3,859.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.79 : 13,721.00 = 2,573.03 : x
  2. Step 2: Convert to fraction form
    9,146.79/13,721.00 = 2,573.03/x
  3. Step 3: Cross multiply
    9,146.79x = 13,721.00 × 2,573.03
  4. Step 4: Simplify right side
    9,146.79x = 35,304,566.07
  5. Step 5: Solve for x
    x = 35,304,566.07/9,146.79
  6. Step 6: Final answer
    x = 3,859.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.