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Finding the Fourth Proportional to 35,563.68, 53,343.84 and 8,909.92

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Solution

The fourth proportional to 35,563.68, 53,343.84 and 8,909.92 is: 13,364.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,563.68 : 53,343.84 = 8,909.92 : x
  2. Step 2: Convert to fraction form
    35,563.68/53,343.84 = 8,909.92/x
  3. Step 3: Cross multiply
    35,563.68x = 53,343.84 × 8,909.92
  4. Step 4: Simplify right side
    35,563.68x = 475,289,346.89
  5. Step 5: Solve for x
    x = 475,289,346.89/35,563.68
  6. Step 6: Final answer
    x = 13,364.46

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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.