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Finding the Fourth Proportional to 32,175.30, 48,240.45 and 19,020.90

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Solution

The fourth proportional to 32,175.30, 48,240.45 and 19,020.90 is: 28,518.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,175.30 : 48,240.45 = 19,020.90 : x
  2. Step 2: Convert to fraction form
    32,175.30/48,240.45 = 19,020.90/x
  3. Step 3: Cross multiply
    32,175.30x = 48,240.45 × 19,020.90
  4. Step 4: Simplify right side
    32,175.30x = 917,576,775.41
  5. Step 5: Solve for x
    x = 917,576,775.41/32,175.30
  6. Step 6: Final answer
    x = 28,518.05

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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.