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Finding the Fourth Proportional to 32,942.25, 45,460.31 and 18,038.25

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Solution

The fourth proportional to 32,942.25, 45,460.31 and 18,038.25 is: 24,892.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,942.25 : 45,460.31 = 18,038.25 : x
  2. Step 2: Convert to fraction form
    32,942.25/45,460.31 = 18,038.25/x
  3. Step 3: Cross multiply
    32,942.25x = 45,460.31 × 18,038.25
  4. Step 4: Simplify right side
    32,942.25x = 820,024,346.67
  5. Step 5: Solve for x
    x = 820,024,346.67/32,942.25
  6. Step 6: Final answer
    x = 24,892.79

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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.