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Finding the Fourth Proportional to 32,556.60, 48,840.30 and 12,835.80

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Solution

The fourth proportional to 32,556.60, 48,840.30 and 12,835.80 is: 19,255.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,556.60 : 48,840.30 = 12,835.80 : x
  2. Step 2: Convert to fraction form
    32,556.60/48,840.30 = 12,835.80/x
  3. Step 3: Cross multiply
    32,556.60x = 48,840.30 × 12,835.80
  4. Step 4: Simplify right side
    32,556.60x = 626,904,322.74
  5. Step 5: Solve for x
    x = 626,904,322.74/32,556.60
  6. Step 6: Final answer
    x = 19,255.83

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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.