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Finding the Fourth Proportional to 29,420.35, 40,599.08 and 16,842.67

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Solution

The fourth proportional to 29,420.35, 40,599.08 and 16,842.67 is: 23,242.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,420.35 : 40,599.08 = 16,842.67 : x
  2. Step 2: Convert to fraction form
    29,420.35/40,599.08 = 16,842.67/x
  3. Step 3: Cross multiply
    29,420.35x = 40,599.08 × 16,842.67
  4. Step 4: Simplify right side
    29,420.35x = 683,796,906.74
  5. Step 5: Solve for x
    x = 683,796,906.74/29,420.35
  6. Step 6: Final answer
    x = 23,242.31

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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.