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Finding the Fourth Proportional to 56,461.93, 84,544.93 and 39,731.38

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Solution

The fourth proportional to 56,461.93, 84,544.93 and 39,731.38 is: 59,492.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,461.93 : 84,544.93 = 39,731.38 : x
  2. Step 2: Convert to fraction form
    56,461.93/84,544.93 = 39,731.38/x
  3. Step 3: Cross multiply
    56,461.93x = 84,544.93 × 39,731.38
  4. Step 4: Simplify right side
    56,461.93x = 3,359,086,579.21
  5. Step 5: Solve for x
    x = 3,359,086,579.21/56,461.93
  6. Step 6: Final answer
    x = 59,492.95

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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.