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Finding the Fourth Proportional to 8,395.88, 11,578.65 and 6,501.42

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Solution

The fourth proportional to 8,395.88, 11,578.65 and 6,501.42 is: 8,966.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.88 : 11,578.65 = 6,501.42 : x
  2. Step 2: Convert to fraction form
    8,395.88/11,578.65 = 6,501.42/x
  3. Step 3: Cross multiply
    8,395.88x = 11,578.65 × 6,501.42
  4. Step 4: Simplify right side
    8,395.88x = 75,277,666.68
  5. Step 5: Solve for x
    x = 75,277,666.68/8,395.88
  6. Step 6: Final answer
    x = 8,966.03

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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.