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Finding the Fourth Proportional to 4,881.99, 7,323.19 and 1,419.24

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Solution

The fourth proportional to 4,881.99, 7,323.19 and 1,419.24 is: 2,128.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.99 : 7,323.19 = 1,419.24 : x
  2. Step 2: Convert to fraction form
    4,881.99/7,323.19 = 1,419.24/x
  3. Step 3: Cross multiply
    4,881.99x = 7,323.19 × 1,419.24
  4. Step 4: Simplify right side
    4,881.99x = 10,393,360.63
  5. Step 5: Solve for x
    x = 10,393,360.63/4,881.99
  6. Step 6: Final answer
    x = 2,128.92

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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.