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Finding the Fourth Proportional to 36,655.68, 50,577.84 and 20,734.32

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Solution

The fourth proportional to 36,655.68, 50,577.84 and 20,734.32 is: 28,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,655.68 : 50,577.84 = 20,734.32 : x
  2. Step 2: Convert to fraction form
    36,655.68/50,577.84 = 20,734.32/x
  3. Step 3: Cross multiply
    36,655.68x = 50,577.84 × 20,734.32
  4. Step 4: Simplify right side
    36,655.68x = 1,048,697,119.47
  5. Step 5: Solve for x
    x = 1,048,697,119.47/36,655.68
  6. Step 6: Final answer
    x = 28,609.40

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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.