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Finding the Fourth Proportional to 35,868.03, 53,808.57 and 11,853.70

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Solution

The fourth proportional to 35,868.03, 53,808.57 and 11,853.70 is: 17,782.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,868.03 : 53,808.57 = 11,853.70 : x
  2. Step 2: Convert to fraction form
    35,868.03/53,808.57 = 11,853.70/x
  3. Step 3: Cross multiply
    35,868.03x = 53,808.57 × 11,853.70
  4. Step 4: Simplify right side
    35,868.03x = 637,830,586.94
  5. Step 5: Solve for x
    x = 637,830,586.94/35,868.03
  6. Step 6: Final answer
    x = 17,782.71

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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.