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Finding the Fourth Proportional to 7,370.01, 11,048.80 and 2,990.54

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Solution

The fourth proportional to 7,370.01, 11,048.80 and 2,990.54 is: 4,483.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.01 : 11,048.80 = 2,990.54 : x
  2. Step 2: Convert to fraction form
    7,370.01/11,048.80 = 2,990.54/x
  3. Step 3: Cross multiply
    7,370.01x = 11,048.80 × 2,990.54
  4. Step 4: Simplify right side
    7,370.01x = 33,041,878.35
  5. Step 5: Solve for x
    x = 33,041,878.35/7,370.01
  6. Step 6: Final answer
    x = 4,483.29

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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.