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Finding the Fourth Proportional to 7,505.13, 11,257.69 and 7,048.43

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Solution

The fourth proportional to 7,505.13, 11,257.69 and 7,048.43 is: 10,572.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.13 : 11,257.69 = 7,048.43 : x
  2. Step 2: Convert to fraction form
    7,505.13/11,257.69 = 7,048.43/x
  3. Step 3: Cross multiply
    7,505.13x = 11,257.69 × 7,048.43
  4. Step 4: Simplify right side
    7,505.13x = 79,348,973.91
  5. Step 5: Solve for x
    x = 79,348,973.91/7,505.13
  6. Step 6: Final answer
    x = 10,572.63

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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.