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Finding the Fourth Proportional to 32,997.04, 45,523.98 and 21,672.68

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Solution

The fourth proportional to 32,997.04, 45,523.98 and 21,672.68 is: 29,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,997.04 : 45,523.98 = 21,672.68 : x
  2. Step 2: Convert to fraction form
    32,997.04/45,523.98 = 21,672.68/x
  3. Step 3: Cross multiply
    32,997.04x = 45,523.98 × 21,672.68
  4. Step 4: Simplify right side
    32,997.04x = 986,626,423.25
  5. Step 5: Solve for x
    x = 986,626,423.25/32,997.04
  6. Step 6: Final answer
    x = 29,900.45

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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.