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Finding the Fourth Proportional to 48,129.80, 72,194.70 and 14,846.90

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Solution

The fourth proportional to 48,129.80, 72,194.70 and 14,846.90 is: 22,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,129.80 : 72,194.70 = 14,846.90 : x
  2. Step 2: Convert to fraction form
    48,129.80/72,194.70 = 14,846.90/x
  3. Step 3: Cross multiply
    48,129.80x = 72,194.70 × 14,846.90
  4. Step 4: Simplify right side
    48,129.80x = 1,071,867,491.43
  5. Step 5: Solve for x
    x = 1,071,867,491.43/48,129.80
  6. Step 6: Final answer
    x = 22,270.35

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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.