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Finding the Fourth Proportional to 77,011.92, 115,522.01 and 24,425.51

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Solution

The fourth proportional to 77,011.92, 115,522.01 and 24,425.51 is: 36,639.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,011.92 : 115,522.01 = 24,425.51 : x
  2. Step 2: Convert to fraction form
    77,011.92/115,522.01 = 24,425.51/x
  3. Step 3: Cross multiply
    77,011.92x = 115,522.01 × 24,425.51
  4. Step 4: Simplify right side
    77,011.92x = 2,821,683,310.74
  5. Step 5: Solve for x
    x = 2,821,683,310.74/77,011.92
  6. Step 6: Final answer
    x = 36,639.57

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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.