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Finding the Fourth Proportional to 7,695.47, 10,616.91 and 5,903.27

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Solution

The fourth proportional to 7,695.47, 10,616.91 and 5,903.27 is: 8,144.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,695.47 : 10,616.91 = 5,903.27 : x
  2. Step 2: Convert to fraction form
    7,695.47/10,616.91 = 5,903.27/x
  3. Step 3: Cross multiply
    7,695.47x = 10,616.91 × 5,903.27
  4. Step 4: Simplify right side
    7,695.47x = 62,674,486.30
  5. Step 5: Solve for x
    x = 62,674,486.30/7,695.47
  6. Step 6: Final answer
    x = 8,144.34

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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.