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Finding the Fourth Proportional to 8,337.99, 12,447.55 and 8,045.98

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Solution

The fourth proportional to 8,337.99, 12,447.55 and 8,045.98 is: 12,011.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.99 : 12,447.55 = 8,045.98 : x
  2. Step 2: Convert to fraction form
    8,337.99/12,447.55 = 8,045.98/x
  3. Step 3: Cross multiply
    8,337.99x = 12,447.55 × 8,045.98
  4. Step 4: Simplify right side
    8,337.99x = 100,152,764.68
  5. Step 5: Solve for x
    x = 100,152,764.68/8,337.99
  6. Step 6: Final answer
    x = 12,011.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.