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Finding the Fourth Proportional to 1,495, 2,063.24 and 874.12

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Solution

The fourth proportional to 1,495, 2,063.24 and 874.12 is: 1,206.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495 : 2,063.24 = 874.12 : x
  2. Step 2: Convert to fraction form
    1,495/2,063.24 = 874.12/x
  3. Step 3: Cross multiply
    1,495x = 2,063.24 × 874.12
  4. Step 4: Simplify right side
    1,495x = 1,803,519.35
  5. Step 5: Solve for x
    x = 1,803,519.35/1,495
  6. Step 6: Final answer
    x = 1,206.37

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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.