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Finding the Fourth Proportional to 45,950.44, 68,916.84 and 16,368.16

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Solution

The fourth proportional to 45,950.44, 68,916.84 and 16,368.16 is: 24,549.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,950.44 : 68,916.84 = 16,368.16 : x
  2. Step 2: Convert to fraction form
    45,950.44/68,916.84 = 16,368.16/x
  3. Step 3: Cross multiply
    45,950.44x = 68,916.84 × 16,368.16
  4. Step 4: Simplify right side
    45,950.44x = 1,128,041,863.81
  5. Step 5: Solve for x
    x = 1,128,041,863.81/45,950.44
  6. Step 6: Final answer
    x = 24,549.10

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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.