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Finding the Fourth Proportional to 48,010.52, 72,019.63 and 12,949.67

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Solution

The fourth proportional to 48,010.52, 72,019.63 and 12,949.67 is: 19,425.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,010.52 : 72,019.63 = 12,949.67 : x
  2. Step 2: Convert to fraction form
    48,010.52/72,019.63 = 12,949.67/x
  3. Step 3: Cross multiply
    48,010.52x = 72,019.63 × 12,949.67
  4. Step 4: Simplify right side
    48,010.52x = 932,630,638.26
  5. Step 5: Solve for x
    x = 932,630,638.26/48,010.52
  6. Step 6: Final answer
    x = 19,425.55

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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.