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Finding the Fourth Proportional to 35,707.72, 49,279.53 and 19,797.25

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Solution

The fourth proportional to 35,707.72, 49,279.53 and 19,797.25 is: 27,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,707.72 : 49,279.53 = 19,797.25 : x
  2. Step 2: Convert to fraction form
    35,707.72/49,279.53 = 19,797.25/x
  3. Step 3: Cross multiply
    35,707.72x = 49,279.53 × 19,797.25
  4. Step 4: Simplify right side
    35,707.72x = 975,599,175.29
  5. Step 5: Solve for x
    x = 975,599,175.29/35,707.72
  6. Step 6: Final answer
    x = 27,321.80

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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.