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Finding the Fourth Proportional to 53,194.60, 79,787.40 and 16,258.60

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Solution

The fourth proportional to 53,194.60, 79,787.40 and 16,258.60 is: 24,386.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,194.60 : 79,787.40 = 16,258.60 : x
  2. Step 2: Convert to fraction form
    53,194.60/79,787.40 = 16,258.60/x
  3. Step 3: Cross multiply
    53,194.60x = 79,787.40 × 16,258.60
  4. Step 4: Simplify right side
    53,194.60x = 1,297,231,421.64
  5. Step 5: Solve for x
    x = 1,297,231,421.64/53,194.60
  6. Step 6: Final answer
    x = 24,386.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.