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Finding the Fourth Proportional to 4,647.75, 6,970.02 and 1,873.71

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Solution

The fourth proportional to 4,647.75, 6,970.02 and 1,873.71 is: 2,809.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.75 : 6,970.02 = 1,873.71 : x
  2. Step 2: Convert to fraction form
    4,647.75/6,970.02 = 1,873.71/x
  3. Step 3: Cross multiply
    4,647.75x = 6,970.02 × 1,873.71
  4. Step 4: Simplify right side
    4,647.75x = 13,059,796.17
  5. Step 5: Solve for x
    x = 13,059,796.17/4,647.75
  6. Step 6: Final answer
    x = 2,809.92

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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.