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Finding the Fourth Proportional to 6,597.92, 9,890.40 and 3,670.19

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Solution

The fourth proportional to 6,597.92, 9,890.40 and 3,670.19 is: 5,501.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,597.92 : 9,890.40 = 3,670.19 : x
  2. Step 2: Convert to fraction form
    6,597.92/9,890.40 = 3,670.19/x
  3. Step 3: Cross multiply
    6,597.92x = 9,890.40 × 3,670.19
  4. Step 4: Simplify right side
    6,597.92x = 36,299,647.18
  5. Step 5: Solve for x
    x = 36,299,647.18/6,597.92
  6. Step 6: Final answer
    x = 5,501.68

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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.