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Finding the Fourth Proportional to 53,955.54, 74,457.18 and 31,293.08

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Solution

The fourth proportional to 53,955.54, 74,457.18 and 31,293.08 is: 43,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,955.54 : 74,457.18 = 31,293.08 : x
  2. Step 2: Convert to fraction form
    53,955.54/74,457.18 = 31,293.08/x
  3. Step 3: Cross multiply
    53,955.54x = 74,457.18 × 31,293.08
  4. Step 4: Simplify right side
    53,955.54x = 2,329,994,490.31
  5. Step 5: Solve for x
    x = 2,329,994,490.31/53,955.54
  6. Step 6: Final answer
    x = 43,183.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.