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Finding the Fourth Proportional to 70,893.33, 97,832.84 and 38,627.79

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Solution

The fourth proportional to 70,893.33, 97,832.84 and 38,627.79 is: 53,306.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,893.33 : 97,832.84 = 38,627.79 : x
  2. Step 2: Convert to fraction form
    70,893.33/97,832.84 = 38,627.79/x
  3. Step 3: Cross multiply
    70,893.33x = 97,832.84 × 38,627.79
  4. Step 4: Simplify right side
    70,893.33x = 3,779,066,205.48
  5. Step 5: Solve for x
    x = 3,779,066,205.48/70,893.33
  6. Step 6: Final answer
    x = 53,306.37

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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.