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Finding the Fourth Proportional to 53,487.60, 80,231.40 and 32,492.40

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Solution

The fourth proportional to 53,487.60, 80,231.40 and 32,492.40 is: 48,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,487.60 : 80,231.40 = 32,492.40 : x
  2. Step 2: Convert to fraction form
    53,487.60/80,231.40 = 32,492.40/x
  3. Step 3: Cross multiply
    53,487.60x = 80,231.40 × 32,492.40
  4. Step 4: Simplify right side
    53,487.60x = 2,606,910,741.36
  5. Step 5: Solve for x
    x = 2,606,910,741.36/53,487.60
  6. Step 6: Final answer
    x = 48,738.60

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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.