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Finding the Fourth Proportional to 16,916.26, 25,378.62 and 6,386.26

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Solution

The fourth proportional to 16,916.26, 25,378.62 and 6,386.26 is: 9,580.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,916.26 : 25,378.62 = 6,386.26 : x
  2. Step 2: Convert to fraction form
    16,916.26/25,378.62 = 6,386.26/x
  3. Step 3: Cross multiply
    16,916.26x = 25,378.62 × 6,386.26
  4. Step 4: Simplify right side
    16,916.26x = 162,074,465.76
  5. Step 5: Solve for x
    x = 162,074,465.76/16,916.26
  6. Step 6: Final answer
    x = 9,580.99

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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.