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Finding the Fourth Proportional to 30,344.82, 41,877.27 and 16,916.16

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Solution

The fourth proportional to 30,344.82, 41,877.27 and 16,916.16 is: 23,345.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,344.82 : 41,877.27 = 16,916.16 : x
  2. Step 2: Convert to fraction form
    30,344.82/41,877.27 = 16,916.16/x
  3. Step 3: Cross multiply
    30,344.82x = 41,877.27 × 16,916.16
  4. Step 4: Simplify right side
    30,344.82x = 708,402,599.68
  5. Step 5: Solve for x
    x = 708,402,599.68/30,344.82
  6. Step 6: Final answer
    x = 23,345.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.