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Finding the Fourth Proportional to 40,482.57, 60,741.42 and 21,740.76

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Solution

The fourth proportional to 40,482.57, 60,741.42 and 21,740.76 is: 32,620.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,482.57 : 60,741.42 = 21,740.76 : x
  2. Step 2: Convert to fraction form
    40,482.57/60,741.42 = 21,740.76/x
  3. Step 3: Cross multiply
    40,482.57x = 60,741.42 × 21,740.76
  4. Step 4: Simplify right side
    40,482.57x = 1,320,564,634.28
  5. Step 5: Solve for x
    x = 1,320,564,634.28/40,482.57
  6. Step 6: Final answer
    x = 32,620.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.