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Finding the Fourth Proportional to 7,486.99, 11,235.69 and 4,847.98

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Solution

The fourth proportional to 7,486.99, 11,235.69 and 4,847.98 is: 7,275.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.99 : 11,235.69 = 4,847.98 : x
  2. Step 2: Convert to fraction form
    7,486.99/11,235.69 = 4,847.98/x
  3. Step 3: Cross multiply
    7,486.99x = 11,235.69 × 4,847.98
  4. Step 4: Simplify right side
    7,486.99x = 54,470,400.41
  5. Step 5: Solve for x
    x = 54,470,400.41/7,486.99
  6. Step 6: Final answer
    x = 7,275.34

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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.