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Finding the Fourth Proportional to 1,465.64, 2,021.06 and 967.64

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Solution

The fourth proportional to 1,465.64, 2,021.06 and 967.64 is: 1,334.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.64 : 2,021.06 = 967.64 : x
  2. Step 2: Convert to fraction form
    1,465.64/2,021.06 = 967.64/x
  3. Step 3: Cross multiply
    1,465.64x = 2,021.06 × 967.64
  4. Step 4: Simplify right side
    1,465.64x = 1,955,643.55
  5. Step 5: Solve for x
    x = 1,955,643.55/1,465.64
  6. Step 6: Final answer
    x = 1,334.33

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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.