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Finding the Fourth Proportional to 6,341.55, 9,530.55 and 5,539.65

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Solution

The fourth proportional to 6,341.55, 9,530.55 and 5,539.65 is: 8,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,341.55 : 9,530.55 = 5,539.65 : x
  2. Step 2: Convert to fraction form
    6,341.55/9,530.55 = 5,539.65/x
  3. Step 3: Cross multiply
    6,341.55x = 9,530.55 × 5,539.65
  4. Step 4: Simplify right side
    6,341.55x = 52,795,911.31
  5. Step 5: Solve for x
    x = 52,795,911.31/6,341.55
  6. Step 6: Final answer
    x = 8,325.40

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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.