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Finding the Fourth Proportional to 1,064.14, 1,593.78 and 957.22

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Solution

The fourth proportional to 1,064.14, 1,593.78 and 957.22 is: 1,433.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.14 : 1,593.78 = 957.22 : x
  2. Step 2: Convert to fraction form
    1,064.14/1,593.78 = 957.22/x
  3. Step 3: Cross multiply
    1,064.14x = 1,593.78 × 957.22
  4. Step 4: Simplify right side
    1,064.14x = 1,525,598.09
  5. Step 5: Solve for x
    x = 1,525,598.09/1,064.14
  6. Step 6: Final answer
    x = 1,433.64

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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.