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Finding the Fourth Proportional to 32,435.60, 48,653.40 and 18,573.20

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Solution

The fourth proportional to 32,435.60, 48,653.40 and 18,573.20 is: 27,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,435.60 : 48,653.40 = 18,573.20 : x
  2. Step 2: Convert to fraction form
    32,435.60/48,653.40 = 18,573.20/x
  3. Step 3: Cross multiply
    32,435.60x = 48,653.40 × 18,573.20
  4. Step 4: Simplify right side
    32,435.60x = 903,649,328.88
  5. Step 5: Solve for x
    x = 903,649,328.88/32,435.60
  6. Step 6: Final answer
    x = 27,859.80

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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.