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Finding the Fourth Proportional to 70,835.58, 97,751.21 and 39,004.74

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Solution

The fourth proportional to 70,835.58, 97,751.21 and 39,004.74 is: 53,825.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,835.58 : 97,751.21 = 39,004.74 : x
  2. Step 2: Convert to fraction form
    70,835.58/97,751.21 = 39,004.74/x
  3. Step 3: Cross multiply
    70,835.58x = 97,751.21 × 39,004.74
  4. Step 4: Simplify right side
    70,835.58x = 3,812,760,335.71
  5. Step 5: Solve for x
    x = 3,812,760,335.71/70,835.58
  6. Step 6: Final answer
    x = 53,825.50

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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.