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Finding the Fourth Proportional to 62,538.44, 86,303.18 and 33,858.40

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Solution

The fourth proportional to 62,538.44, 86,303.18 and 33,858.40 is: 46,724.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,538.44 : 86,303.18 = 33,858.40 : x
  2. Step 2: Convert to fraction form
    62,538.44/86,303.18 = 33,858.40/x
  3. Step 3: Cross multiply
    62,538.44x = 86,303.18 × 33,858.40
  4. Step 4: Simplify right side
    62,538.44x = 2,922,087,589.71
  5. Step 5: Solve for x
    x = 2,922,087,589.71/62,538.44
  6. Step 6: Final answer
    x = 46,724.66

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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.