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Finding the Fourth Proportional to 32,763.80, 45,255.84 and 27,485.84

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Solution

The fourth proportional to 32,763.80, 45,255.84 and 27,485.84 is: 37,965.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,763.80 : 45,255.84 = 27,485.84 : x
  2. Step 2: Convert to fraction form
    32,763.80/45,255.84 = 27,485.84/x
  3. Step 3: Cross multiply
    32,763.80x = 45,255.84 × 27,485.84
  4. Step 4: Simplify right side
    32,763.80x = 1,243,894,777.31
  5. Step 5: Solve for x
    x = 1,243,894,777.31/32,763.80
  6. Step 6: Final answer
    x = 37,965.52

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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.