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Finding the Fourth Proportional to 53,532.63, 73,879.52 and 29,661.53

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Solution

The fourth proportional to 53,532.63, 73,879.52 and 29,661.53 is: 40,935.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,532.63 : 73,879.52 = 29,661.53 : x
  2. Step 2: Convert to fraction form
    53,532.63/73,879.52 = 29,661.53/x
  3. Step 3: Cross multiply
    53,532.63x = 73,879.52 × 29,661.53
  4. Step 4: Simplify right side
    53,532.63x = 2,191,379,081.16
  5. Step 5: Solve for x
    x = 2,191,379,081.16/53,532.63
  6. Step 6: Final answer
    x = 40,935.39

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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.