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Finding the Fourth Proportional to 8,585.01, 12,851.60 and 7,763.67

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Solution

The fourth proportional to 8,585.01, 12,851.60 and 7,763.67 is: 11,622.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.01 : 12,851.60 = 7,763.67 : x
  2. Step 2: Convert to fraction form
    8,585.01/12,851.60 = 7,763.67/x
  3. Step 3: Cross multiply
    8,585.01x = 12,851.60 × 7,763.67
  4. Step 4: Simplify right side
    8,585.01x = 99,775,542.55
  5. Step 5: Solve for x
    x = 99,775,542.55/8,585.01
  6. Step 6: Final answer
    x = 11,622.06

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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.