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Finding the Fourth Proportional to 32,999.20, 49,455.60 and 13,261.60

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Solution

The fourth proportional to 32,999.20, 49,455.60 and 13,261.60 is: 19,875.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,999.20 : 49,455.60 = 13,261.60 : x
  2. Step 2: Convert to fraction form
    32,999.20/49,455.60 = 13,261.60/x
  3. Step 3: Cross multiply
    32,999.20x = 49,455.60 × 13,261.60
  4. Step 4: Simplify right side
    32,999.20x = 655,860,384.96
  5. Step 5: Solve for x
    x = 655,860,384.96/32,999.20
  6. Step 6: Final answer
    x = 19,875.04

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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.