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Finding the Fourth Proportional to 70,017.93, 96,608.13 and 39,800.88

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Solution

The fourth proportional to 70,017.93, 96,608.13 and 39,800.88 is: 54,915.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,017.93 : 96,608.13 = 39,800.88 : x
  2. Step 2: Convert to fraction form
    70,017.93/96,608.13 = 39,800.88/x
  3. Step 3: Cross multiply
    70,017.93x = 96,608.13 × 39,800.88
  4. Step 4: Simplify right side
    70,017.93x = 3,845,088,589.15
  5. Step 5: Solve for x
    x = 3,845,088,589.15/70,017.93
  6. Step 6: Final answer
    x = 54,915.77

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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.