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Finding the Fourth Proportional to 51,298.20, 76,832.10 and 51,298.20

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Solution

The fourth proportional to 51,298.20, 76,832.10 and 51,298.20 is: 76,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,298.20 : 76,832.10 = 51,298.20 : x
  2. Step 2: Convert to fraction form
    51,298.20/76,832.10 = 51,298.20/x
  3. Step 3: Cross multiply
    51,298.20x = 76,832.10 × 51,298.20
  4. Step 4: Simplify right side
    51,298.20x = 3,941,348,432.22
  5. Step 5: Solve for x
    x = 3,941,348,432.22/51,298.20
  6. Step 6: Final answer
    x = 76,832.10

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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.