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Finding the Fourth Proportional to 7,459.52, 11,125.97 and 7,328.32

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Solution

The fourth proportional to 7,459.52, 11,125.97 and 7,328.32 is: 10,930.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.52 : 11,125.97 = 7,328.32 : x
  2. Step 2: Convert to fraction form
    7,459.52/11,125.97 = 7,328.32/x
  3. Step 3: Cross multiply
    7,459.52x = 11,125.97 × 7,328.32
  4. Step 4: Simplify right side
    7,459.52x = 81,534,668.47
  5. Step 5: Solve for x
    x = 81,534,668.47/7,459.52
  6. Step 6: Final answer
    x = 10,930.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.