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Finding the Fourth Proportional to 1,683.64, 2,525.60 and 587.98

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Solution

The fourth proportional to 1,683.64, 2,525.60 and 587.98 is: 882.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.64 : 2,525.60 = 587.98 : x
  2. Step 2: Convert to fraction form
    1,683.64/2,525.60 = 587.98/x
  3. Step 3: Cross multiply
    1,683.64x = 2,525.60 × 587.98
  4. Step 4: Simplify right side
    1,683.64x = 1,485,002.29
  5. Step 5: Solve for x
    x = 1,485,002.29/1,683.64
  6. Step 6: Final answer
    x = 882.02

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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.