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Finding the Fourth Proportional to 33,482.31, 46,206.43 and 18,945.31

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Solution

The fourth proportional to 33,482.31, 46,206.43 and 18,945.31 is: 26,145.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,482.31 : 46,206.43 = 18,945.31 : x
  2. Step 2: Convert to fraction form
    33,482.31/46,206.43 = 18,945.31/x
  3. Step 3: Cross multiply
    33,482.31x = 46,206.43 × 18,945.31
  4. Step 4: Simplify right side
    33,482.31x = 875,395,140.34
  5. Step 5: Solve for x
    x = 875,395,140.34/33,482.31
  6. Step 6: Final answer
    x = 26,145.01

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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.