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Finding the Fourth Proportional to 70,576.22, 97,393.38 and 38,744.84

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Solution

The fourth proportional to 70,576.22, 97,393.38 and 38,744.84 is: 53,466.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,576.22 : 97,393.38 = 38,744.84 : x
  2. Step 2: Convert to fraction form
    70,576.22/97,393.38 = 38,744.84/x
  3. Step 3: Cross multiply
    70,576.22x = 97,393.38 × 38,744.84
  4. Step 4: Simplify right side
    70,576.22x = 3,773,490,925.16
  5. Step 5: Solve for x
    x = 3,773,490,925.16/70,576.22
  6. Step 6: Final answer
    x = 53,466.89

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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.