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Finding the Fourth Proportional to 32,960.94, 45,494.24 and 18,821.99

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Solution

The fourth proportional to 32,960.94, 45,494.24 and 18,821.99 is: 25,979.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,960.94 : 45,494.24 = 18,821.99 : x
  2. Step 2: Convert to fraction form
    32,960.94/45,494.24 = 18,821.99/x
  3. Step 3: Cross multiply
    32,960.94x = 45,494.24 × 18,821.99
  4. Step 4: Simplify right side
    32,960.94x = 856,292,130.34
  5. Step 5: Solve for x
    x = 856,292,130.34/32,960.94
  6. Step 6: Final answer
    x = 25,979.00

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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.