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Finding the Fourth Proportional to 6,403.67, 9,607.12 and 2,703.99

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Solution

The fourth proportional to 6,403.67, 9,607.12 and 2,703.99 is: 4,056.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.67 : 9,607.12 = 2,703.99 : x
  2. Step 2: Convert to fraction form
    6,403.67/9,607.12 = 2,703.99/x
  3. Step 3: Cross multiply
    6,403.67x = 9,607.12 × 2,703.99
  4. Step 4: Simplify right side
    6,403.67x = 25,977,549.65
  5. Step 5: Solve for x
    x = 25,977,549.65/6,403.67
  6. Step 6: Final answer
    x = 4,056.67

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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.