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Finding the Fourth Proportional to 45,879.30, 68,823.05 and 17,798.67

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Solution

The fourth proportional to 45,879.30, 68,823.05 and 17,798.67 is: 26,699.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,879.30 : 68,823.05 = 17,798.67 : x
  2. Step 2: Convert to fraction form
    45,879.30/68,823.05 = 17,798.67/x
  3. Step 3: Cross multiply
    45,879.30x = 68,823.05 × 17,798.67
  4. Step 4: Simplify right side
    45,879.30x = 1,224,958,666.35
  5. Step 5: Solve for x
    x = 1,224,958,666.35/45,879.30
  6. Step 6: Final answer
    x = 26,699.59

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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.