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Finding the Fourth Proportional to 50,791.40, 70,068.86 and 32,892.16

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Solution

The fourth proportional to 50,791.40, 70,068.86 and 32,892.16 is: 45,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,791.40 : 70,068.86 = 32,892.16 : x
  2. Step 2: Convert to fraction form
    50,791.40/70,068.86 = 32,892.16/x
  3. Step 3: Cross multiply
    50,791.40x = 70,068.86 × 32,892.16
  4. Step 4: Simplify right side
    50,791.40x = 2,304,716,154.14
  5. Step 5: Solve for x
    x = 2,304,716,154.14/50,791.40
  6. Step 6: Final answer
    x = 45,376.11

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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.