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Finding the Fourth Proportional to 58,457.26, 80,678.92 and 32,968.86

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Solution

The fourth proportional to 58,457.26, 80,678.92 and 32,968.86 is: 45,501.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,457.26 : 80,678.92 = 32,968.86 : x
  2. Step 2: Convert to fraction form
    58,457.26/80,678.92 = 32,968.86/x
  3. Step 3: Cross multiply
    58,457.26x = 80,678.92 × 32,968.86
  4. Step 4: Simplify right side
    58,457.26x = 2,659,892,018.43
  5. Step 5: Solve for x
    x = 2,659,892,018.43/58,457.26
  6. Step 6: Final answer
    x = 45,501.48

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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.