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Finding the Fourth Proportional to 76,612.32, 114,680.88 and 41,464.80

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Solution

The fourth proportional to 76,612.32, 114,680.88 and 41,464.80 is: 62,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,612.32 : 114,680.88 = 41,464.80 : x
  2. Step 2: Convert to fraction form
    76,612.32/114,680.88 = 41,464.80/x
  3. Step 3: Cross multiply
    76,612.32x = 114,680.88 × 41,464.80
  4. Step 4: Simplify right side
    76,612.32x = 4,755,219,753.02
  5. Step 5: Solve for x
    x = 4,755,219,753.02/76,612.32
  6. Step 6: Final answer
    x = 62,068.60

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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.