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Finding the Fourth Proportional to 35,620.09, 53,430.14 and 9,327.09

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Solution

The fourth proportional to 35,620.09, 53,430.14 and 9,327.09 is: 13,990.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,620.09 : 53,430.14 = 9,327.09 : x
  2. Step 2: Convert to fraction form
    35,620.09/53,430.14 = 9,327.09/x
  3. Step 3: Cross multiply
    35,620.09x = 53,430.14 × 9,327.09
  4. Step 4: Simplify right side
    35,620.09x = 498,347,724.49
  5. Step 5: Solve for x
    x = 498,347,724.49/35,620.09
  6. Step 6: Final answer
    x = 13,990.64

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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.