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Finding the Fourth Proportional to 1,483.56, 2,225.50 and 835.56

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Solution

The fourth proportional to 1,483.56, 2,225.50 and 835.56 is: 1,253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.56 : 2,225.50 = 835.56 : x
  2. Step 2: Convert to fraction form
    1,483.56/2,225.50 = 835.56/x
  3. Step 3: Cross multiply
    1,483.56x = 2,225.50 × 835.56
  4. Step 4: Simplify right side
    1,483.56x = 1,859,538.78
  5. Step 5: Solve for x
    x = 1,859,538.78/1,483.56
  6. Step 6: Final answer
    x = 1,253.43

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1.5x scale

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.