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Finding the Fourth Proportional to 35,774.40, 53,661.60 and 9,481.80

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Solution

The fourth proportional to 35,774.40, 53,661.60 and 9,481.80 is: 14,222.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,774.40 : 53,661.60 = 9,481.80 : x
  2. Step 2: Convert to fraction form
    35,774.40/53,661.60 = 9,481.80/x
  3. Step 3: Cross multiply
    35,774.40x = 53,661.60 × 9,481.80
  4. Step 4: Simplify right side
    35,774.40x = 508,808,558.88
  5. Step 5: Solve for x
    x = 508,808,558.88/35,774.40
  6. Step 6: Final answer
    x = 14,222.70

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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.