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Finding the Fourth Proportional to 56,799.68, 85,214.84 and 17,355.70

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Solution

The fourth proportional to 56,799.68, 85,214.84 and 17,355.70 is: 26,038.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,799.68 : 85,214.84 = 17,355.70 : x
  2. Step 2: Convert to fraction form
    56,799.68/85,214.84 = 17,355.70/x
  3. Step 3: Cross multiply
    56,799.68x = 85,214.84 × 17,355.70
  4. Step 4: Simplify right side
    56,799.68x = 1,478,963,198.59
  5. Step 5: Solve for x
    x = 1,478,963,198.59/56,799.68
  6. Step 6: Final answer
    x = 26,038.23

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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.