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Finding the Fourth Proportional to 7,903.16, 10,900.14 and 7,373.24

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Solution

The fourth proportional to 7,903.16, 10,900.14 and 7,373.24 is: 10,169.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.16 : 10,900.14 = 7,373.24 : x
  2. Step 2: Convert to fraction form
    7,903.16/10,900.14 = 7,373.24/x
  3. Step 3: Cross multiply
    7,903.16x = 10,900.14 × 7,373.24
  4. Step 4: Simplify right side
    7,903.16x = 80,369,348.25
  5. Step 5: Solve for x
    x = 80,369,348.25/7,903.16
  6. Step 6: Final answer
    x = 10,169.27

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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.