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Finding the Fourth Proportional to 6,620.90, 9,971.00 and 6,030.41

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Solution

The fourth proportional to 6,620.90, 9,971.00 and 6,030.41 is: 9,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.90 : 9,971.00 = 6,030.41 : x
  2. Step 2: Convert to fraction form
    6,620.90/9,971.00 = 6,030.41/x
  3. Step 3: Cross multiply
    6,620.90x = 9,971.00 × 6,030.41
  4. Step 4: Simplify right side
    6,620.90x = 60,129,138.10
  5. Step 5: Solve for x
    x = 60,129,138.10/6,620.90
  6. Step 6: Final answer
    x = 9,081.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.