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Finding the Fourth Proportional to 32,894.94, 45,396.15 and 17,990.94

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Solution

The fourth proportional to 32,894.94, 45,396.15 and 17,990.94 is: 24,828.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,894.94 : 45,396.15 = 17,990.94 : x
  2. Step 2: Convert to fraction form
    32,894.94/45,396.15 = 17,990.94/x
  3. Step 3: Cross multiply
    32,894.94x = 45,396.15 × 17,990.94
  4. Step 4: Simplify right side
    32,894.94x = 816,719,410.88
  5. Step 5: Solve for x
    x = 816,719,410.88/32,894.94
  6. Step 6: Final answer
    x = 24,828.12

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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.