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Finding the Fourth Proportional to 57,214.50, 78,960.87 and 32,068.86

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Solution

The fourth proportional to 57,214.50, 78,960.87 and 32,068.86 is: 44,257.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,214.50 : 78,960.87 = 32,068.86 : x
  2. Step 2: Convert to fraction form
    57,214.50/78,960.87 = 32,068.86/x
  3. Step 3: Cross multiply
    57,214.50x = 78,960.87 × 32,068.86
  4. Step 4: Simplify right side
    57,214.50x = 2,532,185,085.51
  5. Step 5: Solve for x
    x = 2,532,185,085.51/57,214.50
  6. Step 6: Final answer
    x = 44,257.75

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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.