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Finding the Fourth Proportional to 54,303.93, 74,938.17 and 31,641.48

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Solution

The fourth proportional to 54,303.93, 74,938.17 and 31,641.48 is: 43,664.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,303.93 : 74,938.17 = 31,641.48 : x
  2. Step 2: Convert to fraction form
    54,303.93/74,938.17 = 31,641.48/x
  3. Step 3: Cross multiply
    54,303.93x = 74,938.17 × 31,641.48
  4. Step 4: Simplify right side
    54,303.93x = 2,371,154,607.29
  5. Step 5: Solve for x
    x = 2,371,154,607.29/54,303.93
  6. Step 6: Final answer
    x = 43,664.51

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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.