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Finding the Fourth Proportional to 16,615.12, 24,928.08 and 11,090.92

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Solution

The fourth proportional to 16,615.12, 24,928.08 and 11,090.92 is: 16,639.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615.12 : 24,928.08 = 11,090.92 : x
  2. Step 2: Convert to fraction form
    16,615.12/24,928.08 = 11,090.92/x
  3. Step 3: Cross multiply
    16,615.12x = 24,928.08 × 11,090.92
  4. Step 4: Simplify right side
    16,615.12x = 276,475,341.03
  5. Step 5: Solve for x
    x = 276,475,341.03/16,615.12
  6. Step 6: Final answer
    x = 16,639.98

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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.