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Finding the Fourth Proportional to 7,348.10, 11,019.90 and 2,416.60

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Solution

The fourth proportional to 7,348.10, 11,019.90 and 2,416.60 is: 3,624.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.10 : 11,019.90 = 2,416.60 : x
  2. Step 2: Convert to fraction form
    7,348.10/11,019.90 = 2,416.60/x
  3. Step 3: Cross multiply
    7,348.10x = 11,019.90 × 2,416.60
  4. Step 4: Simplify right side
    7,348.10x = 26,630,690.34
  5. Step 5: Solve for x
    x = 26,630,690.34/7,348.10
  6. Step 6: Final answer
    x = 3,624.16

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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.