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Finding the Fourth Proportional to 7,772.60, 11,658.08 and 4,073.34

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Solution

The fourth proportional to 7,772.60, 11,658.08 and 4,073.34 is: 6,109.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.60 : 11,658.08 = 4,073.34 : x
  2. Step 2: Convert to fraction form
    7,772.60/11,658.08 = 4,073.34/x
  3. Step 3: Cross multiply
    7,772.60x = 11,658.08 × 4,073.34
  4. Step 4: Simplify right side
    7,772.60x = 47,487,323.59
  5. Step 5: Solve for x
    x = 47,487,323.59/7,772.60
  6. Step 6: Final answer
    x = 6,109.58

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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.