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Finding the Fourth Proportional to 8,926.77, 12,313.17 and 7,035.42

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Solution

The fourth proportional to 8,926.77, 12,313.17 and 7,035.42 is: 9,704.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.77 : 12,313.17 = 7,035.42 : x
  2. Step 2: Convert to fraction form
    8,926.77/12,313.17 = 7,035.42/x
  3. Step 3: Cross multiply
    8,926.77x = 12,313.17 × 7,035.42
  4. Step 4: Simplify right side
    8,926.77x = 86,628,322.48
  5. Step 5: Solve for x
    x = 86,628,322.48/8,926.77
  6. Step 6: Final answer
    x = 9,704.33

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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.