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Finding the Fourth Proportional to 7,505.48, 11,259.80 and 2,573.80

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Solution

The fourth proportional to 7,505.48, 11,259.80 and 2,573.80 is: 3,861.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.48 : 11,259.80 = 2,573.80 : x
  2. Step 2: Convert to fraction form
    7,505.48/11,259.80 = 2,573.80/x
  3. Step 3: Cross multiply
    7,505.48x = 11,259.80 × 2,573.80
  4. Step 4: Simplify right side
    7,505.48x = 28,980,473.24
  5. Step 5: Solve for x
    x = 28,980,473.24/7,505.48
  6. Step 6: Final answer
    x = 3,861.24

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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.