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Finding the Fourth Proportional to 35,903.52, 49,544.64 and 19,987.56

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Solution

The fourth proportional to 35,903.52, 49,544.64 and 19,987.56 is: 27,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,903.52 : 49,544.64 = 19,987.56 : x
  2. Step 2: Convert to fraction form
    35,903.52/49,544.64 = 19,987.56/x
  3. Step 3: Cross multiply
    35,903.52x = 49,544.64 × 19,987.56
  4. Step 4: Simplify right side
    35,903.52x = 990,276,464.68
  5. Step 5: Solve for x
    x = 990,276,464.68/35,903.52
  6. Step 6: Final answer
    x = 27,581.60

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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.