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Finding the Fourth Proportional to 34,305.49, 51,449.86 and 9,345.67

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Solution

The fourth proportional to 34,305.49, 51,449.86 and 9,345.67 is: 14,016.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,305.49 : 51,449.86 = 9,345.67 : x
  2. Step 2: Convert to fraction form
    34,305.49/51,449.86 = 9,345.67/x
  3. Step 3: Cross multiply
    34,305.49x = 51,449.86 × 9,345.67
  4. Step 4: Simplify right side
    34,305.49x = 480,833,197.53
  5. Step 5: Solve for x
    x = 480,833,197.53/34,305.49
  6. Step 6: Final answer
    x = 14,016.22

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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.