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Finding the Fourth Proportional to 4,060.05, 6,090.06 and 982.05

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Solution

The fourth proportional to 4,060.05, 6,090.06 and 982.05 is: 1,473.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,060.05 : 6,090.06 = 982.05 : x
  2. Step 2: Convert to fraction form
    4,060.05/6,090.06 = 982.05/x
  3. Step 3: Cross multiply
    4,060.05x = 6,090.06 × 982.05
  4. Step 4: Simplify right side
    4,060.05x = 5,980,743.42
  5. Step 5: Solve for x
    x = 5,980,743.42/4,060.05
  6. Step 6: Final answer
    x = 1,473.07

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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.