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Finding the Fourth Proportional to 32,690.64, 45,113.04 and 18,544.38

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Solution

The fourth proportional to 32,690.64, 45,113.04 and 18,544.38 is: 25,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,690.64 : 45,113.04 = 18,544.38 : x
  2. Step 2: Convert to fraction form
    32,690.64/45,113.04 = 18,544.38/x
  3. Step 3: Cross multiply
    32,690.64x = 45,113.04 × 18,544.38
  4. Step 4: Simplify right side
    32,690.64x = 836,593,356.72
  5. Step 5: Solve for x
    x = 836,593,356.72/32,690.64
  6. Step 6: Final answer
    x = 25,591.22

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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.