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Finding the Fourth Proportional to 14,776.54, 22,164.80 and 4,915.80

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Solution

The fourth proportional to 14,776.54, 22,164.80 and 4,915.80 is: 7,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,776.54 : 22,164.80 = 4,915.80 : x
  2. Step 2: Convert to fraction form
    14,776.54/22,164.80 = 4,915.80/x
  3. Step 3: Cross multiply
    14,776.54x = 22,164.80 × 4,915.80
  4. Step 4: Simplify right side
    14,776.54x = 108,957,736.13
  5. Step 5: Solve for x
    x = 108,957,736.13/14,776.54
  6. Step 6: Final answer
    x = 7,373.70

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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.