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Finding the Fourth Proportional to 77,358.51, 115,958.37 and 44,007.57

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Solution

The fourth proportional to 77,358.51, 115,958.37 and 44,007.57 is: 65,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,358.51 : 115,958.37 = 44,007.57 : x
  2. Step 2: Convert to fraction form
    77,358.51/115,958.37 = 44,007.57/x
  3. Step 3: Cross multiply
    77,358.51x = 115,958.37 × 44,007.57
  4. Step 4: Simplify right side
    77,358.51x = 5,103,046,084.86
  5. Step 5: Solve for x
    x = 5,103,046,084.86/77,358.51
  6. Step 6: Final answer
    x = 65,966.19

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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.