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Finding the Fourth Proportional to 72,006.84, 99,370.80 and 41,794.65

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Solution

The fourth proportional to 72,006.84, 99,370.80 and 41,794.65 is: 57,677.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,006.84 : 99,370.80 = 41,794.65 : x
  2. Step 2: Convert to fraction form
    72,006.84/99,370.80 = 41,794.65/x
  3. Step 3: Cross multiply
    72,006.84x = 99,370.80 × 41,794.65
  4. Step 4: Simplify right side
    72,006.84x = 4,153,167,806.22
  5. Step 5: Solve for x
    x = 4,153,167,806.22/72,006.84
  6. Step 6: Final answer
    x = 57,677.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.