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Finding the Fourth Proportional to 35,551.08, 49,065.96 and 21,947.06

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Solution

The fourth proportional to 35,551.08, 49,065.96 and 21,947.06 is: 30,290.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,551.08 : 49,065.96 = 21,947.06 : x
  2. Step 2: Convert to fraction form
    35,551.08/49,065.96 = 21,947.06/x
  3. Step 3: Cross multiply
    35,551.08x = 49,065.96 × 21,947.06
  4. Step 4: Simplify right side
    35,551.08x = 1,076,853,568.08
  5. Step 5: Solve for x
    x = 1,076,853,568.08/35,551.08
  6. Step 6: Final answer
    x = 30,290.32

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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.