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Finding the Fourth Proportional to 35,588.70, 49,110.30 and 19,672.20

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Solution

The fourth proportional to 35,588.70, 49,110.30 and 19,672.20 is: 27,146.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,588.70 : 49,110.30 = 19,672.20 : x
  2. Step 2: Convert to fraction form
    35,588.70/49,110.30 = 19,672.20/x
  3. Step 3: Cross multiply
    35,588.70x = 49,110.30 × 19,672.20
  4. Step 4: Simplify right side
    35,588.70x = 966,107,643.66
  5. Step 5: Solve for x
    x = 966,107,643.66/35,588.70
  6. Step 6: Final answer
    x = 27,146.47

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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.