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Finding the Fourth Proportional to 35,639, 49,125.16 and 28,073.35

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Solution

The fourth proportional to 35,639, 49,125.16 and 28,073.35 is: 38,696.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,639 : 49,125.16 = 28,073.35 : x
  2. Step 2: Convert to fraction form
    35,639/49,125.16 = 28,073.35/x
  3. Step 3: Cross multiply
    35,639x = 49,125.16 × 28,073.35
  4. Step 4: Simplify right side
    35,639x = 1,379,107,810.49
  5. Step 5: Solve for x
    x = 1,379,107,810.49/35,639
  6. Step 6: Final answer
    x = 38,696.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.