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Finding the Fourth Proportional to 14,482.55, 19,984.17 and 8,108.64

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Solution

The fourth proportional to 14,482.55, 19,984.17 and 8,108.64 is: 11,188.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.55 : 19,984.17 = 8,108.64 : x
  2. Step 2: Convert to fraction form
    14,482.55/19,984.17 = 8,108.64/x
  3. Step 3: Cross multiply
    14,482.55x = 19,984.17 × 8,108.64
  4. Step 4: Simplify right side
    14,482.55x = 162,044,509.33
  5. Step 5: Solve for x
    x = 162,044,509.33/14,482.55
  6. Step 6: Final answer
    x = 11,188.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.