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Finding the Fourth Proportional to 33,656.70, 46,444.12 and 20,220.01

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Solution

The fourth proportional to 33,656.70, 46,444.12 and 20,220.01 is: 27,902.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,656.70 : 46,444.12 = 20,220.01 : x
  2. Step 2: Convert to fraction form
    33,656.70/46,444.12 = 20,220.01/x
  3. Step 3: Cross multiply
    33,656.70x = 46,444.12 × 20,220.01
  4. Step 4: Simplify right side
    33,656.70x = 939,100,570.84
  5. Step 5: Solve for x
    x = 939,100,570.84/33,656.70
  6. Step 6: Final answer
    x = 27,902.34

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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.