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Finding the Fourth Proportional to 53,773.44, 74,210.28 and 29,899.89

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Solution

The fourth proportional to 53,773.44, 74,210.28 and 29,899.89 is: 41,263.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,773.44 : 74,210.28 = 29,899.89 : x
  2. Step 2: Convert to fraction form
    53,773.44/74,210.28 = 29,899.89/x
  3. Step 3: Cross multiply
    53,773.44x = 74,210.28 × 29,899.89
  4. Step 4: Simplify right side
    53,773.44x = 2,218,879,208.87
  5. Step 5: Solve for x
    x = 2,218,879,208.87/53,773.44
  6. Step 6: Final answer
    x = 41,263.48

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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.