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Finding the Fourth Proportional to 7,490.70, 11,245.95 and 6,010.74

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Solution

The fourth proportional to 7,490.70, 11,245.95 and 6,010.74 is: 9,024.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.70 : 11,245.95 = 6,010.74 : x
  2. Step 2: Convert to fraction form
    7,490.70/11,245.95 = 6,010.74/x
  3. Step 3: Cross multiply
    7,490.70x = 11,245.95 × 6,010.74
  4. Step 4: Simplify right side
    7,490.70x = 67,596,481.50
  5. Step 5: Solve for x
    x = 67,596,481.50/7,490.70
  6. Step 6: Final answer
    x = 9,024.05

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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.