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Finding the Fourth Proportional to 16,916.16, 23,343.96 and 9,362.06

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Solution

The fourth proportional to 16,916.16, 23,343.96 and 9,362.06 is: 12,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,916.16 : 23,343.96 = 9,362.06 : x
  2. Step 2: Convert to fraction form
    16,916.16/23,343.96 = 9,362.06/x
  3. Step 3: Cross multiply
    16,916.16x = 23,343.96 × 9,362.06
  4. Step 4: Simplify right side
    16,916.16x = 218,547,437.44
  5. Step 5: Solve for x
    x = 218,547,437.44/16,916.16
  6. Step 6: Final answer
    x = 12,919.45

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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.