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Finding the Fourth Proportional to 35,722.61, 53,583.35 and 8,705.26

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Solution

The fourth proportional to 35,722.61, 53,583.35 and 8,705.26 is: 13,057.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,722.61 : 53,583.35 = 8,705.26 : x
  2. Step 2: Convert to fraction form
    35,722.61/53,583.35 = 8,705.26/x
  3. Step 3: Cross multiply
    35,722.61x = 53,583.35 × 8,705.26
  4. Step 4: Simplify right side
    35,722.61x = 466,456,725.50
  5. Step 5: Solve for x
    x = 466,456,725.50/35,722.61
  6. Step 6: Final answer
    x = 13,057.75

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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.