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Finding the Fourth Proportional to 7,477.03, 11,213.11 and 3,965.07

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Solution

The fourth proportional to 7,477.03, 11,213.11 and 3,965.07 is: 5,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.03 : 11,213.11 = 3,965.07 : x
  2. Step 2: Convert to fraction form
    7,477.03/11,213.11 = 3,965.07/x
  3. Step 3: Cross multiply
    7,477.03x = 11,213.11 × 3,965.07
  4. Step 4: Simplify right side
    7,477.03x = 44,460,746.24
  5. Step 5: Solve for x
    x = 44,460,746.24/7,477.03
  6. Step 6: Final answer
    x = 5,946.32

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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.