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Finding the Fourth Proportional to 48,660.55, 72,984.54 and 15,383.99

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Solution

The fourth proportional to 48,660.55, 72,984.54 and 15,383.99 is: 23,074.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,660.55 : 72,984.54 = 15,383.99 : x
  2. Step 2: Convert to fraction form
    48,660.55/72,984.54 = 15,383.99/x
  3. Step 3: Cross multiply
    48,660.55x = 72,984.54 × 15,383.99
  4. Step 4: Simplify right side
    48,660.55x = 1,122,793,433.51
  5. Step 5: Solve for x
    x = 1,122,793,433.51/48,660.55
  6. Step 6: Final answer
    x = 23,074.00

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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.