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Finding the Fourth Proportional to 77,013.90, 115,524.09 and 24,425.58

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Solution

The fourth proportional to 77,013.90, 115,524.09 and 24,425.58 is: 36,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,013.90 : 115,524.09 = 24,425.58 : x
  2. Step 2: Convert to fraction form
    77,013.90/115,524.09 = 24,425.58/x
  3. Step 3: Cross multiply
    77,013.90x = 115,524.09 × 24,425.58
  4. Step 4: Simplify right side
    77,013.90x = 2,821,742,902.22
  5. Step 5: Solve for x
    x = 2,821,742,902.22/77,013.90
  6. Step 6: Final answer
    x = 36,639.40

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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.