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Finding the Fourth Proportional to 62,710.26, 94,016.04 and 42,928.84

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Solution

The fourth proportional to 62,710.26, 94,016.04 and 42,928.84 is: 64,359.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,710.26 : 94,016.04 = 42,928.84 : x
  2. Step 2: Convert to fraction form
    62,710.26/94,016.04 = 42,928.84/x
  3. Step 3: Cross multiply
    62,710.26x = 94,016.04 × 42,928.84
  4. Step 4: Simplify right side
    62,710.26x = 4,035,999,538.59
  5. Step 5: Solve for x
    x = 4,035,999,538.59/62,710.26
  6. Step 6: Final answer
    x = 64,359.48

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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.