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Finding the Fourth Proportional to 61,465.79, 92,160.50 and 25,908.81

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Solution

The fourth proportional to 61,465.79, 92,160.50 and 25,908.81 is: 38,847.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,465.79 : 92,160.50 = 25,908.81 : x
  2. Step 2: Convert to fraction form
    61,465.79/92,160.50 = 25,908.81/x
  3. Step 3: Cross multiply
    61,465.79x = 92,160.50 × 25,908.81
  4. Step 4: Simplify right side
    61,465.79x = 2,387,768,754.46
  5. Step 5: Solve for x
    x = 2,387,768,754.46/61,465.79
  6. Step 6: Final answer
    x = 38,847.12

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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.