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Finding the Fourth Proportional to 19,762.93, 29,649.57 and 5,911.93

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Solution

The fourth proportional to 19,762.93, 29,649.57 and 5,911.93 is: 8,869.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,762.93 : 29,649.57 = 5,911.93 : x
  2. Step 2: Convert to fraction form
    19,762.93/29,649.57 = 5,911.93/x
  3. Step 3: Cross multiply
    19,762.93x = 29,649.57 × 5,911.93
  4. Step 4: Simplify right side
    19,762.93x = 175,286,182.37
  5. Step 5: Solve for x
    x = 175,286,182.37/19,762.93
  6. Step 6: Final answer
    x = 8,869.44

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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.