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Finding the Fourth Proportional to 8,935.90, 13,343.68 and 7,295.64

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Solution

The fourth proportional to 8,935.90, 13,343.68 and 7,295.64 is: 10,894.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.90 : 13,343.68 = 7,295.64 : x
  2. Step 2: Convert to fraction form
    8,935.90/13,343.68 = 7,295.64/x
  3. Step 3: Cross multiply
    8,935.90x = 13,343.68 × 7,295.64
  4. Step 4: Simplify right side
    8,935.90x = 97,350,685.56
  5. Step 5: Solve for x
    x = 97,350,685.56/8,935.90
  6. Step 6: Final answer
    x = 10,894.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.