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Finding the Fourth Proportional to 1,495.95, 2,063.36 and 1,216.19

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Solution

The fourth proportional to 1,495.95, 2,063.36 and 1,216.19 is: 1,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.95 : 2,063.36 = 1,216.19 : x
  2. Step 2: Convert to fraction form
    1,495.95/2,063.36 = 1,216.19/x
  3. Step 3: Cross multiply
    1,495.95x = 2,063.36 × 1,216.19
  4. Step 4: Simplify right side
    1,495.95x = 2,509,421.40
  5. Step 5: Solve for x
    x = 2,509,421.40/1,495.95
  6. Step 6: Final answer
    x = 1,677.48

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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.