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Finding the Fourth Proportional to 48,010.70, 72,017.36 and 12,950.25

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Solution

The fourth proportional to 48,010.70, 72,017.36 and 12,950.25 is: 19,425.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,010.70 : 72,017.36 = 12,950.25 : x
  2. Step 2: Convert to fraction form
    48,010.70/72,017.36 = 12,950.25/x
  3. Step 3: Cross multiply
    48,010.70x = 72,017.36 × 12,950.25
  4. Step 4: Simplify right side
    48,010.70x = 932,642,800.15
  5. Step 5: Solve for x
    x = 932,642,800.15/48,010.70
  6. Step 6: Final answer
    x = 19,425.73

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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.