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Finding the Fourth Proportional to 42,651.60, 63,977.40 and 32,810.10

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Solution

The fourth proportional to 42,651.60, 63,977.40 and 32,810.10 is: 49,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,651.60 : 63,977.40 = 32,810.10 : x
  2. Step 2: Convert to fraction form
    42,651.60/63,977.40 = 32,810.10/x
  3. Step 3: Cross multiply
    42,651.60x = 63,977.40 × 32,810.10
  4. Step 4: Simplify right side
    42,651.60x = 2,099,104,891.74
  5. Step 5: Solve for x
    x = 2,099,104,891.74/42,651.60
  6. Step 6: Final answer
    x = 49,215.15

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Similar ratio
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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.