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Finding the Fourth Proportional to 35,532.87, 53,274.59 and 17,990.70

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Solution

The fourth proportional to 35,532.87, 53,274.59 and 17,990.70 is: 26,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,532.87 : 53,274.59 = 17,990.70 : x
  2. Step 2: Convert to fraction form
    35,532.87/53,274.59 = 17,990.70/x
  3. Step 3: Cross multiply
    35,532.87x = 53,274.59 × 17,990.70
  4. Step 4: Simplify right side
    35,532.87x = 958,447,166.31
  5. Step 5: Solve for x
    x = 958,447,166.31/35,532.87
  6. Step 6: Final answer
    x = 26,973.54

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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.