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Finding the Fourth Proportional to 32,529.60, 48,794.40 and 7,905.60

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Solution

The fourth proportional to 32,529.60, 48,794.40 and 7,905.60 is: 11,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,529.60 : 48,794.40 = 7,905.60 : x
  2. Step 2: Convert to fraction form
    32,529.60/48,794.40 = 7,905.60/x
  3. Step 3: Cross multiply
    32,529.60x = 48,794.40 × 7,905.60
  4. Step 4: Simplify right side
    32,529.60x = 385,749,008.64
  5. Step 5: Solve for x
    x = 385,749,008.64/32,529.60
  6. Step 6: Final answer
    x = 11,858.40

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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.