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Finding the Fourth Proportional to 8,926.80, 13,391.04 and 5,056.08

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Solution

The fourth proportional to 8,926.80, 13,391.04 and 5,056.08 is: 7,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.80 : 13,391.04 = 5,056.08 : x
  2. Step 2: Convert to fraction form
    8,926.80/13,391.04 = 5,056.08/x
  3. Step 3: Cross multiply
    8,926.80x = 13,391.04 × 5,056.08
  4. Step 4: Simplify right side
    8,926.80x = 67,706,169.52
  5. Step 5: Solve for x
    x = 67,706,169.52/8,926.80
  6. Step 6: Final answer
    x = 7,584.60

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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.