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Finding the Fourth Proportional to 53,328.96, 79,992.39 and 15,914.39

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Solution

The fourth proportional to 53,328.96, 79,992.39 and 15,914.39 is: 23,871.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,328.96 : 79,992.39 = 15,914.39 : x
  2. Step 2: Convert to fraction form
    53,328.96/79,992.39 = 15,914.39/x
  3. Step 3: Cross multiply
    53,328.96x = 79,992.39 × 15,914.39
  4. Step 4: Simplify right side
    53,328.96x = 1,273,029,691.53
  5. Step 5: Solve for x
    x = 1,273,029,691.53/53,328.96
  6. Step 6: Final answer
    x = 23,871.26

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1.5x scale

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.