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Finding the Fourth Proportional to 6,647.95, 9,975.42 and 2,952.83

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Solution

The fourth proportional to 6,647.95, 9,975.42 and 2,952.83 is: 4,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.95 : 9,975.42 = 2,952.83 : x
  2. Step 2: Convert to fraction form
    6,647.95/9,975.42 = 2,952.83/x
  3. Step 3: Cross multiply
    6,647.95x = 9,975.42 × 2,952.83
  4. Step 4: Simplify right side
    6,647.95x = 29,455,744.38
  5. Step 5: Solve for x
    x = 29,455,744.38/6,647.95
  6. Step 6: Final answer
    x = 4,430.80

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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.