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Finding the Fourth Proportional to 29,310.10, 43,965.15 and 28,030.30

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Solution

The fourth proportional to 29,310.10, 43,965.15 and 28,030.30 is: 42,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,310.10 : 43,965.15 = 28,030.30 : x
  2. Step 2: Convert to fraction form
    29,310.10/43,965.15 = 28,030.30/x
  3. Step 3: Cross multiply
    29,310.10x = 43,965.15 × 28,030.30
  4. Step 4: Simplify right side
    29,310.10x = 1,232,356,344.05
  5. Step 5: Solve for x
    x = 1,232,356,344.05/29,310.10
  6. Step 6: Final answer
    x = 42,045.45

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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.