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Finding the Fourth Proportional to 10,579.84, 15,854.16 and 5,893.39

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Solution

The fourth proportional to 10,579.84, 15,854.16 and 5,893.39 is: 8,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,579.84 : 15,854.16 = 5,893.39 : x
  2. Step 2: Convert to fraction form
    10,579.84/15,854.16 = 5,893.39/x
  3. Step 3: Cross multiply
    10,579.84x = 15,854.16 × 5,893.39
  4. Step 4: Simplify right side
    10,579.84x = 93,434,748.00
  5. Step 5: Solve for x
    x = 93,434,748.00/10,579.84
  6. Step 6: Final answer
    x = 8,831.40

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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.