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Finding the Fourth Proportional to 48,190.40, 72,282.90 and 14,910.20

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Solution

The fourth proportional to 48,190.40, 72,282.90 and 14,910.20 is: 22,364.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,190.40 : 72,282.90 = 14,910.20 : x
  2. Step 2: Convert to fraction form
    48,190.40/72,282.90 = 14,910.20/x
  3. Step 3: Cross multiply
    48,190.40x = 72,282.90 × 14,910.20
  4. Step 4: Simplify right side
    48,190.40x = 1,077,752,495.58
  5. Step 5: Solve for x
    x = 1,077,752,495.58/48,190.40
  6. Step 6: Final answer
    x = 22,364.46

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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.