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Finding the Fourth Proportional to 45,903.60, 68,862.34 and 16,314.40

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Solution

The fourth proportional to 45,903.60, 68,862.34 and 16,314.40 is: 24,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,903.60 : 68,862.34 = 16,314.40 : x
  2. Step 2: Convert to fraction form
    45,903.60/68,862.34 = 16,314.40/x
  3. Step 3: Cross multiply
    45,903.60x = 68,862.34 × 16,314.40
  4. Step 4: Simplify right side
    45,903.60x = 1,123,447,678.12
  5. Step 5: Solve for x
    x = 1,123,447,678.12/45,903.60
  6. Step 6: Final answer
    x = 24,474.06

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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.