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Finding the Fourth Proportional to 7,339.55, 10,990.53 and 4,048.99

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Solution

The fourth proportional to 7,339.55, 10,990.53 and 4,048.99 is: 6,063.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.55 : 10,990.53 = 4,048.99 : x
  2. Step 2: Convert to fraction form
    7,339.55/10,990.53 = 4,048.99/x
  3. Step 3: Cross multiply
    7,339.55x = 10,990.53 × 4,048.99
  4. Step 4: Simplify right side
    7,339.55x = 44,500,491.11
  5. Step 5: Solve for x
    x = 44,500,491.11/7,339.55
  6. Step 6: Final answer
    x = 6,063.11

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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.