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Finding the Fourth Proportional to 53,915.68, 74,398.26 and 32,693.68

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Solution

The fourth proportional to 53,915.68, 74,398.26 and 32,693.68 is: 45,114.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,915.68 : 74,398.26 = 32,693.68 : x
  2. Step 2: Convert to fraction form
    53,915.68/74,398.26 = 32,693.68/x
  3. Step 3: Cross multiply
    53,915.68x = 74,398.26 × 32,693.68
  4. Step 4: Simplify right side
    53,915.68x = 2,432,352,905.00
  5. Step 5: Solve for x
    x = 2,432,352,905.00/53,915.68
  6. Step 6: Final answer
    x = 45,114.02

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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.