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Finding the Fourth Proportional to 53,732.76, 74,149.74 and 29,858.80

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Solution

The fourth proportional to 53,732.76, 74,149.74 and 29,858.80 is: 41,204.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,732.76 : 74,149.74 = 29,858.80 : x
  2. Step 2: Convert to fraction form
    53,732.76/74,149.74 = 29,858.80/x
  3. Step 3: Cross multiply
    53,732.76x = 74,149.74 × 29,858.80
  4. Step 4: Simplify right side
    53,732.76x = 2,214,022,256.71
  5. Step 5: Solve for x
    x = 2,214,022,256.71/53,732.76
  6. Step 6: Final answer
    x = 41,204.33

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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.