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Finding the Fourth Proportional to 7,908.03, 10,913.04 and 4,371.12

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Solution

The fourth proportional to 7,908.03, 10,913.04 and 4,371.12 is: 6,032.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.03 : 10,913.04 = 4,371.12 : x
  2. Step 2: Convert to fraction form
    7,908.03/10,913.04 = 4,371.12/x
  3. Step 3: Cross multiply
    7,908.03x = 10,913.04 × 4,371.12
  4. Step 4: Simplify right side
    7,908.03x = 47,702,207.40
  5. Step 5: Solve for x
    x = 47,702,207.40/7,908.03
  6. Step 6: Final answer
    x = 6,032.12

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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.