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Finding the Fourth Proportional to 32,205.60, 48,308.40 and 19,051.20

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Solution

The fourth proportional to 32,205.60, 48,308.40 and 19,051.20 is: 28,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,205.60 : 48,308.40 = 19,051.20 : x
  2. Step 2: Convert to fraction form
    32,205.60/48,308.40 = 19,051.20/x
  3. Step 3: Cross multiply
    32,205.60x = 48,308.40 × 19,051.20
  4. Step 4: Simplify right side
    32,205.60x = 920,332,990.08
  5. Step 5: Solve for x
    x = 920,332,990.08/32,205.60
  6. Step 6: Final answer
    x = 28,576.80

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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.