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Finding the Fourth Proportional to 1,335.80, 1,841.44 and 1,004.24

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Solution

The fourth proportional to 1,335.80, 1,841.44 and 1,004.24 is: 1,384.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.80 : 1,841.44 = 1,004.24 : x
  2. Step 2: Convert to fraction form
    1,335.80/1,841.44 = 1,004.24/x
  3. Step 3: Cross multiply
    1,335.80x = 1,841.44 × 1,004.24
  4. Step 4: Simplify right side
    1,335.80x = 1,849,247.71
  5. Step 5: Solve for x
    x = 1,849,247.71/1,335.80
  6. Step 6: Final answer
    x = 1,384.37

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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.