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Finding the Fourth Proportional to 84,611.98, 116,764.28 and 46,886.23

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Solution

The fourth proportional to 84,611.98, 116,764.28 and 46,886.23 is: 64,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,611.98 : 116,764.28 = 46,886.23 : x
  2. Step 2: Convert to fraction form
    84,611.98/116,764.28 = 46,886.23/x
  3. Step 3: Cross multiply
    84,611.98x = 116,764.28 × 46,886.23
  4. Step 4: Simplify right side
    84,611.98x = 5,474,636,304.04
  5. Step 5: Solve for x
    x = 5,474,636,304.04/84,611.98
  6. Step 6: Final answer
    x = 64,702.85

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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.