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Finding the Fourth Proportional to 1,583.64, 2,370.60 and 1,064.10

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Solution

The fourth proportional to 1,583.64, 2,370.60 and 1,064.10 is: 1,592.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.64 : 2,370.60 = 1,064.10 : x
  2. Step 2: Convert to fraction form
    1,583.64/2,370.60 = 1,064.10/x
  3. Step 3: Cross multiply
    1,583.64x = 2,370.60 × 1,064.10
  4. Step 4: Simplify right side
    1,583.64x = 2,522,555.46
  5. Step 5: Solve for x
    x = 2,522,555.46/1,583.64
  6. Step 6: Final answer
    x = 1,592.88

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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.