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Finding the Fourth Proportional to 68,523.36, 102,783.96 and 36,948.12

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Solution

The fourth proportional to 68,523.36, 102,783.96 and 36,948.12 is: 55,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,523.36 : 102,783.96 = 36,948.12 : x
  2. Step 2: Convert to fraction form
    68,523.36/102,783.96 = 36,948.12/x
  3. Step 3: Cross multiply
    68,523.36x = 102,783.96 × 36,948.12
  4. Step 4: Simplify right side
    68,523.36x = 3,797,674,088.16
  5. Step 5: Solve for x
    x = 3,797,674,088.16/68,523.36
  6. Step 6: Final answer
    x = 55,421.60

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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.