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Finding the Fourth Proportional to 53,486.80, 80,230.20 and 32,491.60

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Solution

The fourth proportional to 53,486.80, 80,230.20 and 32,491.60 is: 48,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,486.80 : 80,230.20 = 32,491.60 : x
  2. Step 2: Convert to fraction form
    53,486.80/80,230.20 = 32,491.60/x
  3. Step 3: Cross multiply
    53,486.80x = 80,230.20 × 32,491.60
  4. Step 4: Simplify right side
    53,486.80x = 2,606,807,566.32
  5. Step 5: Solve for x
    x = 2,606,807,566.32/53,486.80
  6. Step 6: Final answer
    x = 48,737.40

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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.