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Finding the Fourth Proportional to 7,519.72, 11,211.07 and 7,328.02

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Solution

The fourth proportional to 7,519.72, 11,211.07 and 7,328.02 is: 10,925.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.72 : 11,211.07 = 7,328.02 : x
  2. Step 2: Convert to fraction form
    7,519.72/11,211.07 = 7,328.02/x
  3. Step 3: Cross multiply
    7,519.72x = 11,211.07 × 7,328.02
  4. Step 4: Simplify right side
    7,519.72x = 82,154,945.18
  5. Step 5: Solve for x
    x = 82,154,945.18/7,519.72
  6. Step 6: Final answer
    x = 10,925.27

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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.