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Finding the Fourth Proportional to 60,038, 90,028.71 and 35,085.23

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Solution

The fourth proportional to 60,038, 90,028.71 and 35,085.23 is: 52,611.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,038 : 90,028.71 = 35,085.23 : x
  2. Step 2: Convert to fraction form
    60,038/90,028.71 = 35,085.23/x
  3. Step 3: Cross multiply
    60,038x = 90,028.71 × 35,085.23
  4. Step 4: Simplify right side
    60,038x = 3,158,677,996.95
  5. Step 5: Solve for x
    x = 3,158,677,996.95/60,038
  6. Step 6: Final answer
    x = 52,611.31

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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.