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Finding the Fourth Proportional to 63,081.60, 94,492.80 and 43,382.40

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Solution

The fourth proportional to 63,081.60, 94,492.80 and 43,382.40 is: 64,984.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,081.60 : 94,492.80 = 43,382.40 : x
  2. Step 2: Convert to fraction form
    63,081.60/94,492.80 = 43,382.40/x
  3. Step 3: Cross multiply
    63,081.60x = 94,492.80 × 43,382.40
  4. Step 4: Simplify right side
    63,081.60x = 4,099,324,446.72
  5. Step 5: Solve for x
    x = 4,099,324,446.72/63,081.60
  6. Step 6: Final answer
    x = 64,984.47

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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.