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Finding the Fourth Proportional to 45,318.25, 67,960.02 and 14,916.25

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Solution

The fourth proportional to 45,318.25, 67,960.02 and 14,916.25 is: 22,368.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,318.25 : 67,960.02 = 14,916.25 : x
  2. Step 2: Convert to fraction form
    45,318.25/67,960.02 = 14,916.25/x
  3. Step 3: Cross multiply
    45,318.25x = 67,960.02 × 14,916.25
  4. Step 4: Simplify right side
    45,318.25x = 1,013,708,648.33
  5. Step 5: Solve for x
    x = 1,013,708,648.33/45,318.25
  6. Step 6: Final answer
    x = 22,368.66

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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.