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Finding the Fourth Proportional to 5,507.68, 7,603.54 and 4,245.98

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Solution

The fourth proportional to 5,507.68, 7,603.54 and 4,245.98 is: 5,861.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.68 : 7,603.54 = 4,245.98 : x
  2. Step 2: Convert to fraction form
    5,507.68/7,603.54 = 4,245.98/x
  3. Step 3: Cross multiply
    5,507.68x = 7,603.54 × 4,245.98
  4. Step 4: Simplify right side
    5,507.68x = 32,284,478.77
  5. Step 5: Solve for x
    x = 32,284,478.77/5,507.68
  6. Step 6: Final answer
    x = 5,861.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.