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Finding the Fourth Proportional to 7,502.35, 10,351.82 and 4,518.38

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Solution

The fourth proportional to 7,502.35, 10,351.82 and 4,518.38 is: 6,234.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.35 : 10,351.82 = 4,518.38 : x
  2. Step 2: Convert to fraction form
    7,502.35/10,351.82 = 4,518.38/x
  3. Step 3: Cross multiply
    7,502.35x = 10,351.82 × 4,518.38
  4. Step 4: Simplify right side
    7,502.35x = 46,773,415.99
  5. Step 5: Solve for x
    x = 46,773,415.99/7,502.35
  6. Step 6: Final answer
    x = 6,234.50

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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.