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Finding the Fourth Proportional to 35,588.40, 53,388.74 and 14,539.88

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Solution

The fourth proportional to 35,588.40, 53,388.74 and 14,539.88 is: 21,812.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,588.40 : 53,388.74 = 14,539.88 : x
  2. Step 2: Convert to fraction form
    35,588.40/53,388.74 = 14,539.88/x
  3. Step 3: Cross multiply
    35,588.40x = 53,388.74 × 14,539.88
  4. Step 4: Simplify right side
    35,588.40x = 776,265,872.95
  5. Step 5: Solve for x
    x = 776,265,872.95/35,588.40
  6. Step 6: Final answer
    x = 21,812.33

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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.