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Finding the Fourth Proportional to 53,662.74, 74,057.02 and 29,789.76

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Solution

The fourth proportional to 53,662.74, 74,057.02 and 29,789.76 is: 41,111.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,662.74 : 74,057.02 = 29,789.76 : x
  2. Step 2: Convert to fraction form
    53,662.74/74,057.02 = 29,789.76/x
  3. Step 3: Cross multiply
    53,662.74x = 74,057.02 × 29,789.76
  4. Step 4: Simplify right side
    53,662.74x = 2,206,140,852.12
  5. Step 5: Solve for x
    x = 2,206,140,852.12/53,662.74
  6. Step 6: Final answer
    x = 41,111.22

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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.