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Finding the Fourth Proportional to 35,474.84, 48,931.06 and 25,897.92

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Solution

The fourth proportional to 35,474.84, 48,931.06 and 25,897.92 is: 35,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,474.84 : 48,931.06 = 25,897.92 : x
  2. Step 2: Convert to fraction form
    35,474.84/48,931.06 = 25,897.92/x
  3. Step 3: Cross multiply
    35,474.84x = 48,931.06 × 25,897.92
  4. Step 4: Simplify right side
    35,474.84x = 1,267,212,677.40
  5. Step 5: Solve for x
    x = 1,267,212,677.40/35,474.84
  6. Step 6: Final answer
    x = 35,721.45

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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.