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Finding the Fourth Proportional to 58,304.88, 80,485.11 and 39,452.94

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Solution

The fourth proportional to 58,304.88, 80,485.11 and 39,452.94 is: 54,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,304.88 : 80,485.11 = 39,452.94 : x
  2. Step 2: Convert to fraction form
    58,304.88/80,485.11 = 39,452.94/x
  3. Step 3: Cross multiply
    58,304.88x = 80,485.11 × 39,452.94
  4. Step 4: Simplify right side
    58,304.88x = 3,175,374,215.72
  5. Step 5: Solve for x
    x = 3,175,374,215.72/58,304.88
  6. Step 6: Final answer
    x = 54,461.55

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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.