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Finding the Fourth Proportional to 35,687.99, 53,532.35 and 14,622.62

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Solution

The fourth proportional to 35,687.99, 53,532.35 and 14,622.62 is: 21,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,687.99 : 53,532.35 = 14,622.62 : x
  2. Step 2: Convert to fraction form
    35,687.99/53,532.35 = 14,622.62/x
  3. Step 3: Cross multiply
    35,687.99x = 53,532.35 × 14,622.62
  4. Step 4: Simplify right side
    35,687.99x = 782,782,980.65
  5. Step 5: Solve for x
    x = 782,782,980.65/35,687.99
  6. Step 6: Final answer
    x = 21,934.08

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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.