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Finding the Fourth Proportional to 40,033, 55,245.56 and 22,369

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Solution

The fourth proportional to 40,033, 55,245.56 and 22,369 is: 30,869.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,033 : 55,245.56 = 22,369 : x
  2. Step 2: Convert to fraction form
    40,033/55,245.56 = 22,369/x
  3. Step 3: Cross multiply
    40,033x = 55,245.56 × 22,369
  4. Step 4: Simplify right side
    40,033x = 1,235,787,931.64
  5. Step 5: Solve for x
    x = 1,235,787,931.64/40,033
  6. Step 6: Final answer
    x = 30,869.23

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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.