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Finding the Fourth Proportional to 35,754.87, 49,339.99 and 19,621.79

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Solution

The fourth proportional to 35,754.87, 49,339.99 and 19,621.79 is: 27,077.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,754.87 : 49,339.99 = 19,621.79 : x
  2. Step 2: Convert to fraction form
    35,754.87/49,339.99 = 19,621.79/x
  3. Step 3: Cross multiply
    35,754.87x = 49,339.99 × 19,621.79
  4. Step 4: Simplify right side
    35,754.87x = 968,139,052.40
  5. Step 5: Solve for x
    x = 968,139,052.40/35,754.87
  6. Step 6: Final answer
    x = 27,077.13

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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.