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Finding the Fourth Proportional to 2,693.16, 4,041.18 and 963

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Solution

The fourth proportional to 2,693.16, 4,041.18 and 963 is: 1,445.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.16 : 4,041.18 = 963 : x
  2. Step 2: Convert to fraction form
    2,693.16/4,041.18 = 963/x
  3. Step 3: Cross multiply
    2,693.16x = 4,041.18 × 963
  4. Step 4: Simplify right side
    2,693.16x = 3,891,656.34
  5. Step 5: Solve for x
    x = 3,891,656.34/2,693.16
  6. Step 6: Final answer
    x = 1,445.01

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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.