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Finding the Fourth Proportional to 9,020.57, 13,512.02 and 7,256.03

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Solution

The fourth proportional to 9,020.57, 13,512.02 and 7,256.03 is: 10,868.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.57 : 13,512.02 = 7,256.03 : x
  2. Step 2: Convert to fraction form
    9,020.57/13,512.02 = 7,256.03/x
  3. Step 3: Cross multiply
    9,020.57x = 13,512.02 × 7,256.03
  4. Step 4: Simplify right side
    9,020.57x = 98,043,518.64
  5. Step 5: Solve for x
    x = 98,043,518.64/9,020.57
  6. Step 6: Final answer
    x = 10,868.89

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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.