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Finding the Fourth Proportional to 9,457.56, 13,047.89 and 5,477.22

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Solution

The fourth proportional to 9,457.56, 13,047.89 and 5,477.22 is: 7,556.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,457.56 : 13,047.89 = 5,477.22 : x
  2. Step 2: Convert to fraction form
    9,457.56/13,047.89 = 5,477.22/x
  3. Step 3: Cross multiply
    9,457.56x = 13,047.89 × 5,477.22
  4. Step 4: Simplify right side
    9,457.56x = 71,466,136.68
  5. Step 5: Solve for x
    x = 71,466,136.68/9,457.56
  6. Step 6: Final answer
    x = 7,556.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.