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Finding the Fourth Proportional to 10,884.08, 15,019.96 and 5,916.08

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Solution

The fourth proportional to 10,884.08, 15,019.96 and 5,916.08 is: 8,164.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,884.08 : 15,019.96 = 5,916.08 : x
  2. Step 2: Convert to fraction form
    10,884.08/15,019.96 = 5,916.08/x
  3. Step 3: Cross multiply
    10,884.08x = 15,019.96 × 5,916.08
  4. Step 4: Simplify right side
    10,884.08x = 88,859,284.96
  5. Step 5: Solve for x
    x = 88,859,284.96/10,884.08
  6. Step 6: Final answer
    x = 8,164.15

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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.