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Finding the Fourth Proportional to 7,158.28, 9,883.02 and 5,835.16

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Solution

The fourth proportional to 7,158.28, 9,883.02 and 5,835.16 is: 8,056.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.28 : 9,883.02 = 5,835.16 : x
  2. Step 2: Convert to fraction form
    7,158.28/9,883.02 = 5,835.16/x
  3. Step 3: Cross multiply
    7,158.28x = 9,883.02 × 5,835.16
  4. Step 4: Simplify right side
    7,158.28x = 57,669,002.98
  5. Step 5: Solve for x
    x = 57,669,002.98/7,158.28
  6. Step 6: Final answer
    x = 8,056.27

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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.