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Finding the Fourth Proportional to 73,016.46, 109,524.69 and 28,664.10

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Solution

The fourth proportional to 73,016.46, 109,524.69 and 28,664.10 is: 42,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,016.46 : 109,524.69 = 28,664.10 : x
  2. Step 2: Convert to fraction form
    73,016.46/109,524.69 = 28,664.10/x
  3. Step 3: Cross multiply
    73,016.46x = 109,524.69 × 28,664.10
  4. Step 4: Simplify right side
    73,016.46x = 3,139,426,666.63
  5. Step 5: Solve for x
    x = 3,139,426,666.63/73,016.46
  6. Step 6: Final answer
    x = 42,996.15

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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.