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Finding the Fourth Proportional to 9,907.76, 14,773.06 and 9,635.60

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Solution

The fourth proportional to 9,907.76, 14,773.06 and 9,635.60 is: 14,367.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.76 : 14,773.06 = 9,635.60 : x
  2. Step 2: Convert to fraction form
    9,907.76/14,773.06 = 9,635.60/x
  3. Step 3: Cross multiply
    9,907.76x = 14,773.06 × 9,635.60
  4. Step 4: Simplify right side
    9,907.76x = 142,347,296.94
  5. Step 5: Solve for x
    x = 142,347,296.94/9,907.76
  6. Step 6: Final answer
    x = 14,367.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.