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Finding the Fourth Proportional to 70,864.96, 97,735.47 and 51,723.22

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Solution

The fourth proportional to 70,864.96, 97,735.47 and 51,723.22 is: 71,335.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,864.96 : 97,735.47 = 51,723.22 : x
  2. Step 2: Convert to fraction form
    70,864.96/97,735.47 = 51,723.22/x
  3. Step 3: Cross multiply
    70,864.96x = 97,735.47 × 51,723.22
  4. Step 4: Simplify right side
    70,864.96x = 5,055,193,216.61
  5. Step 5: Solve for x
    x = 5,055,193,216.61/70,864.96
  6. Step 6: Final answer
    x = 71,335.58

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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.