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Finding the Fourth Proportional to 61,376.80, 92,059.80 and 16,999.60

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Solution

The fourth proportional to 61,376.80, 92,059.80 and 16,999.60 is: 25,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,376.80 : 92,059.80 = 16,999.60 : x
  2. Step 2: Convert to fraction form
    61,376.80/92,059.80 = 16,999.60/x
  3. Step 3: Cross multiply
    61,376.80x = 92,059.80 × 16,999.60
  4. Step 4: Simplify right side
    61,376.80x = 1,564,979,776.08
  5. Step 5: Solve for x
    x = 1,564,979,776.08/61,376.80
  6. Step 6: Final answer
    x = 25,497.90

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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.