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Finding the Fourth Proportional to 35,392.40, 53,167.80 and 29,560.40

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Solution

The fourth proportional to 35,392.40, 53,167.80 and 29,560.40 is: 44,406.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,392.40 : 53,167.80 = 29,560.40 : x
  2. Step 2: Convert to fraction form
    35,392.40/53,167.80 = 29,560.40/x
  3. Step 3: Cross multiply
    35,392.40x = 53,167.80 × 29,560.40
  4. Step 4: Simplify right side
    35,392.40x = 1,571,661,435.12
  5. Step 5: Solve for x
    x = 1,571,661,435.12/35,392.40
  6. Step 6: Final answer
    x = 44,406.75

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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.