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Finding the Fourth Proportional to 6,305.55, 9,459.15 and 3,345.50

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Solution

The fourth proportional to 6,305.55, 9,459.15 and 3,345.50 is: 5,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,305.55 : 9,459.15 = 3,345.50 : x
  2. Step 2: Convert to fraction form
    6,305.55/9,459.15 = 3,345.50/x
  3. Step 3: Cross multiply
    6,305.55x = 9,459.15 × 3,345.50
  4. Step 4: Simplify right side
    6,305.55x = 31,645,625.65
  5. Step 5: Solve for x
    x = 31,645,625.65/6,305.55
  6. Step 6: Final answer
    x = 5,018.70

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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.