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Finding the Fourth Proportional to 45,393.68, 68,084.94 and 15,808.94

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Solution

The fourth proportional to 45,393.68, 68,084.94 and 15,808.94 is: 23,711.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,393.68 : 68,084.94 = 15,808.94 : x
  2. Step 2: Convert to fraction form
    45,393.68/68,084.94 = 15,808.94/x
  3. Step 3: Cross multiply
    45,393.68x = 68,084.94 × 15,808.94
  4. Step 4: Simplify right side
    45,393.68x = 1,076,350,731.36
  5. Step 5: Solve for x
    x = 1,076,350,731.36/45,393.68
  6. Step 6: Final answer
    x = 23,711.47

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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.