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Finding the Fourth Proportional to 65,359.92, 98,039.88 and 45,676.92

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Solution

The fourth proportional to 65,359.92, 98,039.88 and 45,676.92 is: 68,515.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,359.92 : 98,039.88 = 45,676.92 : x
  2. Step 2: Convert to fraction form
    65,359.92/98,039.88 = 45,676.92/x
  3. Step 3: Cross multiply
    65,359.92x = 98,039.88 × 45,676.92
  4. Step 4: Simplify right side
    65,359.92x = 4,478,159,527.19
  5. Step 5: Solve for x
    x = 4,478,159,527.19/65,359.92
  6. Step 6: Final answer
    x = 68,515.38

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1.5x scale

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.