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Finding the Fourth Proportional to 35,611.26, 53,419.93 and 9,315.96

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Solution

The fourth proportional to 35,611.26, 53,419.93 and 9,315.96 is: 13,974.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,611.26 : 53,419.93 = 9,315.96 : x
  2. Step 2: Convert to fraction form
    35,611.26/53,419.93 = 9,315.96/x
  3. Step 3: Cross multiply
    35,611.26x = 53,419.93 × 9,315.96
  4. Step 4: Simplify right side
    35,611.26x = 497,657,907.79
  5. Step 5: Solve for x
    x = 497,657,907.79/35,611.26
  6. Step 6: Final answer
    x = 13,974.73

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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.