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Finding the Fourth Proportional to 53,896.72, 74,424.52 and 33,788.24

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Solution

The fourth proportional to 53,896.72, 74,424.52 and 33,788.24 is: 46,657.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,896.72 : 74,424.52 = 33,788.24 : x
  2. Step 2: Convert to fraction form
    53,896.72/74,424.52 = 33,788.24/x
  3. Step 3: Cross multiply
    53,896.72x = 74,424.52 × 33,788.24
  4. Step 4: Simplify right side
    53,896.72x = 2,514,673,543.64
  5. Step 5: Solve for x
    x = 2,514,673,543.64/53,896.72
  6. Step 6: Final answer
    x = 46,657.26

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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.