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Finding the Fourth Proportional to 7,873.54, 10,865.17 and 4,336.50

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Solution

The fourth proportional to 7,873.54, 10,865.17 and 4,336.50 is: 5,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873.54 : 10,865.17 = 4,336.50 : x
  2. Step 2: Convert to fraction form
    7,873.54/10,865.17 = 4,336.50/x
  3. Step 3: Cross multiply
    7,873.54x = 10,865.17 × 4,336.50
  4. Step 4: Simplify right side
    7,873.54x = 47,116,809.71
  5. Step 5: Solve for x
    x = 47,116,809.71/7,873.54
  6. Step 6: Final answer
    x = 5,984.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.