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Finding the Fourth Proportional to 1,495.50, 2,063.93 and 874.50

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Solution

The fourth proportional to 1,495.50, 2,063.93 and 874.50 is: 1,206.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.50 : 2,063.93 = 874.50 : x
  2. Step 2: Convert to fraction form
    1,495.50/2,063.93 = 874.50/x
  3. Step 3: Cross multiply
    1,495.50x = 2,063.93 × 874.50
  4. Step 4: Simplify right side
    1,495.50x = 1,804,902.41
  5. Step 5: Solve for x
    x = 1,804,902.41/1,495.50
  6. Step 6: Final answer
    x = 1,206.89

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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.