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Finding the Fourth Proportional to 7,563.42, 11,346.93 and 7,437.88

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Solution

The fourth proportional to 7,563.42, 11,346.93 and 7,437.88 is: 11,158.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.42 : 11,346.93 = 7,437.88 : x
  2. Step 2: Convert to fraction form
    7,563.42/11,346.93 = 7,437.88/x
  3. Step 3: Cross multiply
    7,563.42x = 11,346.93 × 7,437.88
  4. Step 4: Simplify right side
    7,563.42x = 84,397,103.71
  5. Step 5: Solve for x
    x = 84,397,103.71/7,563.42
  6. Step 6: Final answer
    x = 11,158.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.