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Finding the Fourth Proportional to 65,784.28, 98,673 and 58,472.68

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Solution

The fourth proportional to 65,784.28, 98,673 and 58,472.68 is: 87,705.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,784.28 : 98,673 = 58,472.68 : x
  2. Step 2: Convert to fraction form
    65,784.28/98,673 = 58,472.68/x
  3. Step 3: Cross multiply
    65,784.28x = 98,673 × 58,472.68
  4. Step 4: Simplify right side
    65,784.28x = 5,769,674,753.64
  5. Step 5: Solve for x
    x = 5,769,674,753.64/65,784.28
  6. Step 6: Final answer
    x = 87,705.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.