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Finding the Fourth Proportional to 70,986.92, 97,968.82 and 53,050.82

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Solution

The fourth proportional to 70,986.92, 97,968.82 and 53,050.82 is: 73,215.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,986.92 : 97,968.82 = 53,050.82 : x
  2. Step 2: Convert to fraction form
    70,986.92/97,968.82 = 53,050.82/x
  3. Step 3: Cross multiply
    70,986.92x = 97,968.82 × 53,050.82
  4. Step 4: Simplify right side
    70,986.92x = 5,197,326,235.43
  5. Step 5: Solve for x
    x = 5,197,326,235.43/70,986.92
  6. Step 6: Final answer
    x = 73,215.27

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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.