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Finding the Fourth Proportional to 7,605.94, 10,549.90 and 7,403.64

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Solution

The fourth proportional to 7,605.94, 10,549.90 and 7,403.64 is: 10,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.94 : 10,549.90 = 7,403.64 : x
  2. Step 2: Convert to fraction form
    7,605.94/10,549.90 = 7,403.64/x
  3. Step 3: Cross multiply
    7,605.94x = 10,549.90 × 7,403.64
  4. Step 4: Simplify right side
    7,605.94x = 78,107,682.69
  5. Step 5: Solve for x
    x = 78,107,682.69/7,605.94
  6. Step 6: Final answer
    x = 10,269.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.