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Finding the Fourth Proportional to 60,981.70, 91,530.15 and 37,653.70

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Solution

The fourth proportional to 60,981.70, 91,530.15 and 37,653.70 is: 56,516.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,981.70 : 91,530.15 = 37,653.70 : x
  2. Step 2: Convert to fraction form
    60,981.70/91,530.15 = 37,653.70/x
  3. Step 3: Cross multiply
    60,981.70x = 91,530.15 × 37,653.70
  4. Step 4: Simplify right side
    60,981.70x = 3,446,448,809.06
  5. Step 5: Solve for x
    x = 3,446,448,809.06/60,981.70
  6. Step 6: Final answer
    x = 56,516.12

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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.