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Finding the Fourth Proportional to 53,661.67, 80,492.50 and 18,601.32

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Solution

The fourth proportional to 53,661.67, 80,492.50 and 18,601.32 is: 27,901.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,661.67 : 80,492.50 = 18,601.32 : x
  2. Step 2: Convert to fraction form
    53,661.67/80,492.50 = 18,601.32/x
  3. Step 3: Cross multiply
    53,661.67x = 80,492.50 × 18,601.32
  4. Step 4: Simplify right side
    53,661.67x = 1,497,266,750.10
  5. Step 5: Solve for x
    x = 1,497,266,750.10/53,661.67
  6. Step 6: Final answer
    x = 27,901.98

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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.