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Finding the Fourth Proportional to 2,358.45, 3,536.49 and 897.30

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Solution

The fourth proportional to 2,358.45, 3,536.49 and 897.30 is: 1,345.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.45 : 3,536.49 = 897.30 : x
  2. Step 2: Convert to fraction form
    2,358.45/3,536.49 = 897.30/x
  3. Step 3: Cross multiply
    2,358.45x = 3,536.49 × 897.30
  4. Step 4: Simplify right side
    2,358.45x = 3,173,292.48
  5. Step 5: Solve for x
    x = 3,173,292.48/2,358.45
  6. Step 6: Final answer
    x = 1,345.50

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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.