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Finding the Fourth Proportional to 35,199.90, 52,805 and 10,236.72

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Solution

The fourth proportional to 35,199.90, 52,805 and 10,236.72 is: 15,356.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,199.90 : 52,805 = 10,236.72 : x
  2. Step 2: Convert to fraction form
    35,199.90/52,805 = 10,236.72/x
  3. Step 3: Cross multiply
    35,199.90x = 52,805 × 10,236.72
  4. Step 4: Simplify right side
    35,199.90x = 540,549,999.60
  5. Step 5: Solve for x
    x = 540,549,999.60/35,199.90
  6. Step 6: Final answer
    x = 15,356.58

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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.