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Finding the Fourth Proportional to 40,008, 55,211.04 and 23,242.08

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Solution

The fourth proportional to 40,008, 55,211.04 and 23,242.08 is: 32,074.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,008 : 55,211.04 = 23,242.08 : x
  2. Step 2: Convert to fraction form
    40,008/55,211.04 = 23,242.08/x
  3. Step 3: Cross multiply
    40,008x = 55,211.04 × 23,242.08
  4. Step 4: Simplify right side
    40,008x = 1,283,219,408.56
  5. Step 5: Solve for x
    x = 1,283,219,408.56/40,008
  6. Step 6: Final answer
    x = 32,074.07

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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.