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Finding the Fourth Proportional to 7,285.56, 10,054.14 and 3,973.56

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Solution

The fourth proportional to 7,285.56, 10,054.14 and 3,973.56 is: 5,483.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.56 : 10,054.14 = 3,973.56 : x
  2. Step 2: Convert to fraction form
    7,285.56/10,054.14 = 3,973.56/x
  3. Step 3: Cross multiply
    7,285.56x = 10,054.14 × 3,973.56
  4. Step 4: Simplify right side
    7,285.56x = 39,950,728.54
  5. Step 5: Solve for x
    x = 39,950,728.54/7,285.56
  6. Step 6: Final answer
    x = 5,483.55

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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.