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Finding the Fourth Proportional to 4,655.64, 6,980.54 and 1,731.54

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Solution

The fourth proportional to 4,655.64, 6,980.54 and 1,731.54 is: 2,596.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,655.64 : 6,980.54 = 1,731.54 : x
  2. Step 2: Convert to fraction form
    4,655.64/6,980.54 = 1,731.54/x
  3. Step 3: Cross multiply
    4,655.64x = 6,980.54 × 1,731.54
  4. Step 4: Simplify right side
    4,655.64x = 12,087,084.23
  5. Step 5: Solve for x
    x = 12,087,084.23/4,655.64
  6. Step 6: Final answer
    x = 2,596.22

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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.