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Finding the Fourth Proportional to 7,267.77, 10,907.15 and 2,885.60

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Solution

The fourth proportional to 7,267.77, 10,907.15 and 2,885.60 is: 4,330.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,267.77 : 10,907.15 = 2,885.60 : x
  2. Step 2: Convert to fraction form
    7,267.77/10,907.15 = 2,885.60/x
  3. Step 3: Cross multiply
    7,267.77x = 10,907.15 × 2,885.60
  4. Step 4: Simplify right side
    7,267.77x = 31,473,672.04
  5. Step 5: Solve for x
    x = 31,473,672.04/7,267.77
  6. Step 6: Final answer
    x = 4,330.58

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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.