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Finding the Fourth Proportional to 60,553.53, 83,516.54 and 39,339.63

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Solution

The fourth proportional to 60,553.53, 83,516.54 and 39,339.63 is: 54,257.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,553.53 : 83,516.54 = 39,339.63 : x
  2. Step 2: Convert to fraction form
    60,553.53/83,516.54 = 39,339.63/x
  3. Step 3: Cross multiply
    60,553.53x = 83,516.54 × 39,339.63
  4. Step 4: Simplify right side
    60,553.53x = 3,285,509,585.78
  5. Step 5: Solve for x
    x = 3,285,509,585.78/60,553.53
  6. Step 6: Final answer
    x = 54,257.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.