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Finding the Fourth Proportional to 7,462.40, 11,193.60 and 5,004.80

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Solution

The fourth proportional to 7,462.40, 11,193.60 and 5,004.80 is: 7,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,462.40 : 11,193.60 = 5,004.80 : x
  2. Step 2: Convert to fraction form
    7,462.40/11,193.60 = 5,004.80/x
  3. Step 3: Cross multiply
    7,462.40x = 11,193.60 × 5,004.80
  4. Step 4: Simplify right side
    7,462.40x = 56,021,729.28
  5. Step 5: Solve for x
    x = 56,021,729.28/7,462.40
  6. Step 6: Final answer
    x = 7,507.20

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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.