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Finding the Fourth Proportional to 11,762.01, 16,233.21 and 7,287.03

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Solution

The fourth proportional to 11,762.01, 16,233.21 and 7,287.03 is: 10,057.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,762.01 : 16,233.21 = 7,287.03 : x
  2. Step 2: Convert to fraction form
    11,762.01/16,233.21 = 7,287.03/x
  3. Step 3: Cross multiply
    11,762.01x = 16,233.21 × 7,287.03
  4. Step 4: Simplify right side
    11,762.01x = 118,291,888.27
  5. Step 5: Solve for x
    x = 118,291,888.27/11,762.01
  6. Step 6: Final answer
    x = 10,057.12

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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.