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Finding the Fourth Proportional to 7,671.02, 11,500.36 and 4,337.21

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Solution

The fourth proportional to 7,671.02, 11,500.36 and 4,337.21 is: 6,502.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671.02 : 11,500.36 = 4,337.21 : x
  2. Step 2: Convert to fraction form
    7,671.02/11,500.36 = 4,337.21/x
  3. Step 3: Cross multiply
    7,671.02x = 11,500.36 × 4,337.21
  4. Step 4: Simplify right side
    7,671.02x = 49,879,476.40
  5. Step 5: Solve for x
    x = 49,879,476.40/7,671.02
  6. Step 6: Final answer
    x = 6,502.33

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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.