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Finding the Fourth Proportional to 53,904.32, 74,394.54 and 32,683.52

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Solution

The fourth proportional to 53,904.32, 74,394.54 and 32,683.52 is: 45,107.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,904.32 : 74,394.54 = 32,683.52 : x
  2. Step 2: Convert to fraction form
    53,904.32/74,394.54 = 32,683.52/x
  3. Step 3: Cross multiply
    53,904.32x = 74,394.54 × 32,683.52
  4. Step 4: Simplify right side
    53,904.32x = 2,431,475,435.98
  5. Step 5: Solve for x
    x = 2,431,475,435.98/53,904.32
  6. Step 6: Final answer
    x = 45,107.25

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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.