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Finding the Fourth Proportional to 35,710.55, 53,519.19 and 19,914.95

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Solution

The fourth proportional to 35,710.55, 53,519.19 and 19,914.95 is: 29,846.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,710.55 : 53,519.19 = 19,914.95 : x
  2. Step 2: Convert to fraction form
    35,710.55/53,519.19 = 19,914.95/x
  3. Step 3: Cross multiply
    35,710.55x = 53,519.19 × 19,914.95
  4. Step 4: Simplify right side
    35,710.55x = 1,065,831,992.89
  5. Step 5: Solve for x
    x = 1,065,831,992.89/35,710.55
  6. Step 6: Final answer
    x = 29,846.42

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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.