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Finding the Fourth Proportional to 37,808.80, 52,182.80 and 28,842.40

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Solution

The fourth proportional to 37,808.80, 52,182.80 and 28,842.40 is: 39,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,808.80 : 52,182.80 = 28,842.40 : x
  2. Step 2: Convert to fraction form
    37,808.80/52,182.80 = 28,842.40/x
  3. Step 3: Cross multiply
    37,808.80x = 52,182.80 × 28,842.40
  4. Step 4: Simplify right side
    37,808.80x = 1,505,077,190.72
  5. Step 5: Solve for x
    x = 1,505,077,190.72/37,808.80
  6. Step 6: Final answer
    x = 39,807.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.