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Finding the Fourth Proportional to 43,293.49, 64,933.74 and 13,707.49

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Solution

The fourth proportional to 43,293.49, 64,933.74 and 13,707.49 is: 20,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,293.49 : 64,933.74 = 13,707.49 : x
  2. Step 2: Convert to fraction form
    43,293.49/64,933.74 = 13,707.49/x
  3. Step 3: Cross multiply
    43,293.49x = 64,933.74 × 13,707.49
  4. Step 4: Simplify right side
    43,293.49x = 890,078,591.71
  5. Step 5: Solve for x
    x = 890,078,591.71/43,293.49
  6. Step 6: Final answer
    x = 20,559.18

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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.