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Finding the Fourth Proportional to 35,885.12, 53,823.44 and 9,591.90

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Solution

The fourth proportional to 35,885.12, 53,823.44 and 9,591.90 is: 14,386.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,885.12 : 53,823.44 = 9,591.90 : x
  2. Step 2: Convert to fraction form
    35,885.12/53,823.44 = 9,591.90/x
  3. Step 3: Cross multiply
    35,885.12x = 53,823.44 × 9,591.90
  4. Step 4: Simplify right side
    35,885.12x = 516,269,054.14
  5. Step 5: Solve for x
    x = 516,269,054.14/35,885.12
  6. Step 6: Final answer
    x = 14,386.72

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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.