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Finding the Fourth Proportional to 35,586.80, 49,110.28 and 19,671.20

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Solution

The fourth proportional to 35,586.80, 49,110.28 and 19,671.20 is: 27,146.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,586.80 : 49,110.28 = 19,671.20 : x
  2. Step 2: Convert to fraction form
    35,586.80/49,110.28 = 19,671.20/x
  3. Step 3: Cross multiply
    35,586.80x = 49,110.28 × 19,671.20
  4. Step 4: Simplify right side
    35,586.80x = 966,058,139.94
  5. Step 5: Solve for x
    x = 966,058,139.94/35,586.80
  6. Step 6: Final answer
    x = 27,146.53

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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.