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Finding the Fourth Proportional to 8,433.93, 12,633.98 and 7,744.98

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Solution

The fourth proportional to 8,433.93, 12,633.98 and 7,744.98 is: 11,601.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.93 : 12,633.98 = 7,744.98 : x
  2. Step 2: Convert to fraction form
    8,433.93/12,633.98 = 7,744.98/x
  3. Step 3: Cross multiply
    8,433.93x = 12,633.98 × 7,744.98
  4. Step 4: Simplify right side
    8,433.93x = 97,849,883.70
  5. Step 5: Solve for x
    x = 97,849,883.70/8,433.93
  6. Step 6: Final answer
    x = 11,601.93

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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.