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Finding the Fourth Proportional to 71,189.71, 98,262.30 and 47,008.33

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Solution

The fourth proportional to 71,189.71, 98,262.30 and 47,008.33 is: 64,885.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,189.71 : 98,262.30 = 47,008.33 : x
  2. Step 2: Convert to fraction form
    71,189.71/98,262.30 = 47,008.33/x
  3. Step 3: Cross multiply
    71,189.71x = 98,262.30 × 47,008.33
  4. Step 4: Simplify right side
    71,189.71x = 4,619,146,624.96
  5. Step 5: Solve for x
    x = 4,619,146,624.96/71,189.71
  6. Step 6: Final answer
    x = 64,885.03

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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.