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Finding the Fourth Proportional to 7,015.65, 9,676.53 and 4,773.57

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Solution

The fourth proportional to 7,015.65, 9,676.53 and 4,773.57 is: 6,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.65 : 9,676.53 = 4,773.57 : x
  2. Step 2: Convert to fraction form
    7,015.65/9,676.53 = 4,773.57/x
  3. Step 3: Cross multiply
    7,015.65x = 9,676.53 × 4,773.57
  4. Step 4: Simplify right side
    7,015.65x = 46,191,593.31
  5. Step 5: Solve for x
    x = 46,191,593.31/7,015.65
  6. Step 6: Final answer
    x = 6,584.08

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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.