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Finding the Fourth Proportional to 23,955.28, 35,928.08 and 6,421.04

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Solution

The fourth proportional to 23,955.28, 35,928.08 and 6,421.04 is: 9,630.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,955.28 : 35,928.08 = 6,421.04 : x
  2. Step 2: Convert to fraction form
    23,955.28/35,928.08 = 6,421.04/x
  3. Step 3: Cross multiply
    23,955.28x = 35,928.08 × 6,421.04
  4. Step 4: Simplify right side
    23,955.28x = 230,695,638.80
  5. Step 5: Solve for x
    x = 230,695,638.80/23,955.28
  6. Step 6: Final answer
    x = 9,630.26

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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.