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Finding the Fourth Proportional to 53,689.01, 74,127.90 and 33,554.94

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Solution

The fourth proportional to 53,689.01, 74,127.90 and 33,554.94 is: 46,328.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,689.01 : 74,127.90 = 33,554.94 : x
  2. Step 2: Convert to fraction form
    53,689.01/74,127.90 = 33,554.94/x
  3. Step 3: Cross multiply
    53,689.01x = 74,127.90 × 33,554.94
  4. Step 4: Simplify right side
    53,689.01x = 2,487,357,236.83
  5. Step 5: Solve for x
    x = 2,487,357,236.83/53,689.01
  6. Step 6: Final answer
    x = 46,328.99

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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.