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Finding the Fourth Proportional to 9,262.97, 13,897.06 and 3,720.21

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Solution

The fourth proportional to 9,262.97, 13,897.06 and 3,720.21 is: 5,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,262.97 : 13,897.06 = 3,720.21 : x
  2. Step 2: Convert to fraction form
    9,262.97/13,897.06 = 3,720.21/x
  3. Step 3: Cross multiply
    9,262.97x = 13,897.06 × 3,720.21
  4. Step 4: Simplify right side
    9,262.97x = 51,699,893.50
  5. Step 5: Solve for x
    x = 51,699,893.50/9,262.97
  6. Step 6: Final answer
    x = 5,581.35

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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.