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Finding the Fourth Proportional to 32,399.52, 48,528.95 and 15,724.51

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Solution

The fourth proportional to 32,399.52, 48,528.95 and 15,724.51 is: 23,552.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,399.52 : 48,528.95 = 15,724.51 : x
  2. Step 2: Convert to fraction form
    32,399.52/48,528.95 = 15,724.51/x
  3. Step 3: Cross multiply
    32,399.52x = 48,528.95 × 15,724.51
  4. Step 4: Simplify right side
    32,399.52x = 763,093,877.55
  5. Step 5: Solve for x
    x = 763,093,877.55/32,399.52
  6. Step 6: Final answer
    x = 23,552.63

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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.