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Finding the Fourth Proportional to 1,483.79, 2,224.16 and 751.14

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Solution

The fourth proportional to 1,483.79, 2,224.16 and 751.14 is: 1,125.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.79 : 2,224.16 = 751.14 : x
  2. Step 2: Convert to fraction form
    1,483.79/2,224.16 = 751.14/x
  3. Step 3: Cross multiply
    1,483.79x = 2,224.16 × 751.14
  4. Step 4: Simplify right side
    1,483.79x = 1,670,655.54
  5. Step 5: Solve for x
    x = 1,670,655.54/1,483.79
  6. Step 6: Final answer
    x = 1,125.94

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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.