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Finding the Fourth Proportional to 3,484.99, 5,228.31 and 1,924.63

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Solution

The fourth proportional to 3,484.99, 5,228.31 and 1,924.63 is: 2,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.99 : 5,228.31 = 1,924.63 : x
  2. Step 2: Convert to fraction form
    3,484.99/5,228.31 = 1,924.63/x
  3. Step 3: Cross multiply
    3,484.99x = 5,228.31 × 1,924.63
  4. Step 4: Simplify right side
    3,484.99x = 10,062,556.42
  5. Step 5: Solve for x
    x = 10,062,556.42/3,484.99
  6. Step 6: Final answer
    x = 2,887.40

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Double scale
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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.