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Finding the Fourth Proportional to 35,373.87, 53,013.92 and 25,969.93

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Solution

The fourth proportional to 35,373.87, 53,013.92 and 25,969.93 is: 38,920.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,373.87 : 53,013.92 = 25,969.93 : x
  2. Step 2: Convert to fraction form
    35,373.87/53,013.92 = 25,969.93/x
  3. Step 3: Cross multiply
    35,373.87x = 53,013.92 × 25,969.93
  4. Step 4: Simplify right side
    35,373.87x = 1,376,767,529.04
  5. Step 5: Solve for x
    x = 1,376,767,529.04/35,373.87
  6. Step 6: Final answer
    x = 38,920.47

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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.