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Finding the Fourth Proportional to 19,804.15, 29,674.97 and 7,306.98

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Solution

The fourth proportional to 19,804.15, 29,674.97 and 7,306.98 is: 10,948.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,804.15 : 29,674.97 = 7,306.98 : x
  2. Step 2: Convert to fraction form
    19,804.15/29,674.97 = 7,306.98/x
  3. Step 3: Cross multiply
    19,804.15x = 29,674.97 × 7,306.98
  4. Step 4: Simplify right side
    19,804.15x = 216,834,263.92
  5. Step 5: Solve for x
    x = 216,834,263.92/19,804.15
  6. Step 6: Final answer
    x = 10,948.93

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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.