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Finding the Fourth Proportional to 77,585.43, 107,068.02 and 44,051.43

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Solution

The fourth proportional to 77,585.43, 107,068.02 and 44,051.43 is: 60,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,585.43 : 107,068.02 = 44,051.43 : x
  2. Step 2: Convert to fraction form
    77,585.43/107,068.02 = 44,051.43/x
  3. Step 3: Cross multiply
    77,585.43x = 107,068.02 × 44,051.43
  4. Step 4: Simplify right side
    77,585.43x = 4,716,499,388.27
  5. Step 5: Solve for x
    x = 4,716,499,388.27/77,585.43
  6. Step 6: Final answer
    x = 60,791.05

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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.