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Finding the Fourth Proportional to 8,453.02, 11,669.58 and 5,267.28

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Solution

The fourth proportional to 8,453.02, 11,669.58 and 5,267.28 is: 7,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.02 : 11,669.58 = 5,267.28 : x
  2. Step 2: Convert to fraction form
    8,453.02/11,669.58 = 5,267.28/x
  3. Step 3: Cross multiply
    8,453.02x = 11,669.58 × 5,267.28
  4. Step 4: Simplify right side
    8,453.02x = 61,466,945.34
  5. Step 5: Solve for x
    x = 61,466,945.34/8,453.02
  6. Step 6: Final answer
    x = 7,271.60

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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.