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Finding the Fourth Proportional to 1,495.99, 2,065.13 and 906.99

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Solution

The fourth proportional to 1,495.99, 2,065.13 and 906.99 is: 1,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.99 : 2,065.13 = 906.99 : x
  2. Step 2: Convert to fraction form
    1,495.99/2,065.13 = 906.99/x
  3. Step 3: Cross multiply
    1,495.99x = 2,065.13 × 906.99
  4. Step 4: Simplify right side
    1,495.99x = 1,873,052.26
  5. Step 5: Solve for x
    x = 1,873,052.26/1,495.99
  6. Step 6: Final answer
    x = 1,252.05

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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.