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Finding the Fourth Proportional to 10,590.03, 15,881.76 and 7,324.11

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Solution

The fourth proportional to 10,590.03, 15,881.76 and 7,324.11 is: 10,983.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,590.03 : 15,881.76 = 7,324.11 : x
  2. Step 2: Convert to fraction form
    10,590.03/15,881.76 = 7,324.11/x
  3. Step 3: Cross multiply
    10,590.03x = 15,881.76 × 7,324.11
  4. Step 4: Simplify right side
    10,590.03x = 116,319,757.23
  5. Step 5: Solve for x
    x = 116,319,757.23/10,590.03
  6. Step 6: Final answer
    x = 10,983.89

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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.