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Finding the Fourth Proportional to 70,010.90, 96,611.25 and 39,792.03

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Solution

The fourth proportional to 70,010.90, 96,611.25 and 39,792.03 is: 54,910.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,010.90 : 96,611.25 = 39,792.03 : x
  2. Step 2: Convert to fraction form
    70,010.90/96,611.25 = 39,792.03/x
  3. Step 3: Cross multiply
    70,010.90x = 96,611.25 × 39,792.03
  4. Step 4: Simplify right side
    70,010.90x = 3,844,357,864.87
  5. Step 5: Solve for x
    x = 3,844,357,864.87/70,010.90
  6. Step 6: Final answer
    x = 54,910.84

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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.