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Finding the Fourth Proportional to 77,364.52, 115,967.36 and 44,013.58

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Solution

The fourth proportional to 77,364.52, 115,967.36 and 44,013.58 is: 65,975.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,364.52 : 115,967.36 = 44,013.58 : x
  2. Step 2: Convert to fraction form
    77,364.52/115,967.36 = 44,013.58/x
  3. Step 3: Cross multiply
    77,364.52x = 115,967.36 × 44,013.58
  4. Step 4: Simplify right side
    77,364.52x = 5,104,138,676.75
  5. Step 5: Solve for x
    x = 5,104,138,676.75/77,364.52
  6. Step 6: Final answer
    x = 65,975.19

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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.