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Finding the Fourth Proportional to 7,401.98, 11,097.48 and 4,479.60

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Solution

The fourth proportional to 7,401.98, 11,097.48 and 4,479.60 is: 6,716.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.98 : 11,097.48 = 4,479.60 : x
  2. Step 2: Convert to fraction form
    7,401.98/11,097.48 = 4,479.60/x
  3. Step 3: Cross multiply
    7,401.98x = 11,097.48 × 4,479.60
  4. Step 4: Simplify right side
    7,401.98x = 49,712,271.41
  5. Step 5: Solve for x
    x = 49,712,271.41/7,401.98
  6. Step 6: Final answer
    x = 6,716.08

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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.