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Finding the Fourth Proportional to 48,430.94, 72,658.13 and 16,836.44

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Solution

The fourth proportional to 48,430.94, 72,658.13 and 16,836.44 is: 25,258.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,430.94 : 72,658.13 = 16,836.44 : x
  2. Step 2: Convert to fraction form
    48,430.94/72,658.13 = 16,836.44/x
  3. Step 3: Cross multiply
    48,430.94x = 72,658.13 × 16,836.44
  4. Step 4: Simplify right side
    48,430.94x = 1,223,303,798.78
  5. Step 5: Solve for x
    x = 1,223,303,798.78/48,430.94
  6. Step 6: Final answer
    x = 25,258.73

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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.