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Finding the Fourth Proportional to 54,182.64, 74,787.07 and 31,526.01

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Solution

The fourth proportional to 54,182.64, 74,787.07 and 31,526.01 is: 43,514.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,182.64 : 74,787.07 = 31,526.01 : x
  2. Step 2: Convert to fraction form
    54,182.64/74,787.07 = 31,526.01/x
  3. Step 3: Cross multiply
    54,182.64x = 74,787.07 × 31,526.01
  4. Step 4: Simplify right side
    54,182.64x = 2,357,737,916.69
  5. Step 5: Solve for x
    x = 2,357,737,916.69/54,182.64
  6. Step 6: Final answer
    x = 43,514.64

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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.