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Finding the Fourth Proportional to 36,084.80, 54,117.60 and 11,124.80

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Solution

The fourth proportional to 36,084.80, 54,117.60 and 11,124.80 is: 16,684.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,084.80 : 54,117.60 = 11,124.80 : x
  2. Step 2: Convert to fraction form
    36,084.80/54,117.60 = 11,124.80/x
  3. Step 3: Cross multiply
    36,084.80x = 54,117.60 × 11,124.80
  4. Step 4: Simplify right side
    36,084.80x = 602,047,476.48
  5. Step 5: Solve for x
    x = 602,047,476.48/36,084.80
  6. Step 6: Final answer
    x = 16,684.24

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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.