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Finding the Fourth Proportional to 65,310.80, 89,999.88 and 46,394.96

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Solution

The fourth proportional to 65,310.80, 89,999.88 and 46,394.96 is: 63,933.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,310.80 : 89,999.88 = 46,394.96 : x
  2. Step 2: Convert to fraction form
    65,310.80/89,999.88 = 46,394.96/x
  3. Step 3: Cross multiply
    65,310.80x = 89,999.88 × 46,394.96
  4. Step 4: Simplify right side
    65,310.80x = 4,175,540,832.60
  5. Step 5: Solve for x
    x = 4,175,540,832.60/65,310.80
  6. Step 6: Final answer
    x = 63,933.39

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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.