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Finding the Fourth Proportional to 43,642.80, 60,219.78 and 25,735.32

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Solution

The fourth proportional to 43,642.80, 60,219.78 and 25,735.32 is: 35,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,642.80 : 60,219.78 = 25,735.32 : x
  2. Step 2: Convert to fraction form
    43,642.80/60,219.78 = 25,735.32/x
  3. Step 3: Cross multiply
    43,642.80x = 60,219.78 × 25,735.32
  4. Step 4: Simplify right side
    43,642.80x = 1,549,775,308.63
  5. Step 5: Solve for x
    x = 1,549,775,308.63/43,642.80
  6. Step 6: Final answer
    x = 35,510.45

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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.