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Finding the Fourth Proportional to 56,465.59, 84,694.42 and 26,486.40

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Solution

The fourth proportional to 56,465.59, 84,694.42 and 26,486.40 is: 39,727.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,465.59 : 84,694.42 = 26,486.40 : x
  2. Step 2: Convert to fraction form
    56,465.59/84,694.42 = 26,486.40/x
  3. Step 3: Cross multiply
    56,465.59x = 84,694.42 × 26,486.40
  4. Step 4: Simplify right side
    56,465.59x = 2,243,250,285.89
  5. Step 5: Solve for x
    x = 2,243,250,285.89/56,465.59
  6. Step 6: Final answer
    x = 39,727.74

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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.