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Finding the Fourth Proportional to 8,451.32, 12,662.04 and 7,535.01

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Solution

The fourth proportional to 8,451.32, 12,662.04 and 7,535.01 is: 11,289.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.32 : 12,662.04 = 7,535.01 : x
  2. Step 2: Convert to fraction form
    8,451.32/12,662.04 = 7,535.01/x
  3. Step 3: Cross multiply
    8,451.32x = 12,662.04 × 7,535.01
  4. Step 4: Simplify right side
    8,451.32x = 95,408,598.02
  5. Step 5: Solve for x
    x = 95,408,598.02/8,451.32
  6. Step 6: Final answer
    x = 11,289.19

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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.