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Finding the Fourth Proportional to 7,527.90, 11,295.90 and 6,437.25

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Solution

The fourth proportional to 7,527.90, 11,295.90 and 6,437.25 is: 9,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.90 : 11,295.90 = 6,437.25 : x
  2. Step 2: Convert to fraction form
    7,527.90/11,295.90 = 6,437.25/x
  3. Step 3: Cross multiply
    7,527.90x = 11,295.90 × 6,437.25
  4. Step 4: Simplify right side
    7,527.90x = 72,714,532.28
  5. Step 5: Solve for x
    x = 72,714,532.28/7,527.90
  6. Step 6: Final answer
    x = 9,659.34

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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.