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Finding the Fourth Proportional to 70,260.99, 96,962.47 and 38,429.89

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Solution

The fourth proportional to 70,260.99, 96,962.47 and 38,429.89 is: 53,034.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,260.99 : 96,962.47 = 38,429.89 : x
  2. Step 2: Convert to fraction form
    70,260.99/96,962.47 = 38,429.89/x
  3. Step 3: Cross multiply
    70,260.99x = 96,962.47 × 38,429.89
  4. Step 4: Simplify right side
    70,260.99x = 3,726,256,571.42
  5. Step 5: Solve for x
    x = 3,726,256,571.42/70,260.99
  6. Step 6: Final answer
    x = 53,034.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.