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Finding the Fourth Proportional to 1,483.47, 2,225.99 and 963.35

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Solution

The fourth proportional to 1,483.47, 2,225.99 and 963.35 is: 1,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.47 : 2,225.99 = 963.35 : x
  2. Step 2: Convert to fraction form
    1,483.47/2,225.99 = 963.35/x
  3. Step 3: Cross multiply
    1,483.47x = 2,225.99 × 963.35
  4. Step 4: Simplify right side
    1,483.47x = 2,144,396.34
  5. Step 5: Solve for x
    x = 2,144,396.34/1,483.47
  6. Step 6: Final answer
    x = 1,445.53

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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.