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Finding the Fourth Proportional to 35,352.70, 53,022.66 and 14,291.88

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Solution

The fourth proportional to 35,352.70, 53,022.66 and 14,291.88 is: 21,435.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,352.70 : 53,022.66 = 14,291.88 : x
  2. Step 2: Convert to fraction form
    35,352.70/53,022.66 = 14,291.88/x
  3. Step 3: Cross multiply
    35,352.70x = 53,022.66 × 14,291.88
  4. Step 4: Simplify right side
    35,352.70x = 757,793,494.00
  5. Step 5: Solve for x
    x = 757,793,494.00/35,352.70
  6. Step 6: Final answer
    x = 21,435.24

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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.