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Finding the Fourth Proportional to 1,347.44, 1,857.88 and 1,150.32

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Solution

The fourth proportional to 1,347.44, 1,857.88 and 1,150.32 is: 1,586.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.44 : 1,857.88 = 1,150.32 : x
  2. Step 2: Convert to fraction form
    1,347.44/1,857.88 = 1,150.32/x
  3. Step 3: Cross multiply
    1,347.44x = 1,857.88 × 1,150.32
  4. Step 4: Simplify right side
    1,347.44x = 2,137,156.52
  5. Step 5: Solve for x
    x = 2,137,156.52/1,347.44
  6. Step 6: Final answer
    x = 1,586.09

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1.5x scale

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.