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Finding the Fourth Proportional to 65,007.96, 89,710.97 and 35,199.96

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Solution

The fourth proportional to 65,007.96, 89,710.97 and 35,199.96 is: 48,575.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,007.96 : 89,710.97 = 35,199.96 : x
  2. Step 2: Convert to fraction form
    65,007.96/89,710.97 = 35,199.96/x
  3. Step 3: Cross multiply
    65,007.96x = 89,710.97 × 35,199.96
  4. Step 4: Simplify right side
    65,007.96x = 3,157,822,379.56
  5. Step 5: Solve for x
    x = 3,157,822,379.56/65,007.96
  6. Step 6: Final answer
    x = 48,575.93

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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.