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Finding the Fourth Proportional to 6,290.66, 9,421.62 and 3,006.06

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Solution

The fourth proportional to 6,290.66, 9,421.62 and 3,006.06 is: 4,502.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.66 : 9,421.62 = 3,006.06 : x
  2. Step 2: Convert to fraction form
    6,290.66/9,421.62 = 3,006.06/x
  3. Step 3: Cross multiply
    6,290.66x = 9,421.62 × 3,006.06
  4. Step 4: Simplify right side
    6,290.66x = 28,321,955.02
  5. Step 5: Solve for x
    x = 28,321,955.02/6,290.66
  6. Step 6: Final answer
    x = 4,502.22

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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.