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Finding the Fourth Proportional to 43,305.42, 64,965.42 and 15,224.34

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Solution

The fourth proportional to 43,305.42, 64,965.42 and 15,224.34 is: 22,839.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,305.42 : 64,965.42 = 15,224.34 : x
  2. Step 2: Convert to fraction form
    43,305.42/64,965.42 = 15,224.34/x
  3. Step 3: Cross multiply
    43,305.42x = 64,965.42 × 15,224.34
  4. Step 4: Simplify right side
    43,305.42x = 989,055,642.32
  5. Step 5: Solve for x
    x = 989,055,642.32/43,305.42
  6. Step 6: Final answer
    x = 22,839.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.