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Finding the Fourth Proportional to 28,110.98, 42,154.11 and 14,960.22

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Solution

The fourth proportional to 28,110.98, 42,154.11 and 14,960.22 is: 22,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,110.98 : 42,154.11 = 14,960.22 : x
  2. Step 2: Convert to fraction form
    28,110.98/42,154.11 = 14,960.22/x
  3. Step 3: Cross multiply
    28,110.98x = 42,154.11 × 14,960.22
  4. Step 4: Simplify right side
    28,110.98x = 630,634,759.50
  5. Step 5: Solve for x
    x = 630,634,759.50/28,110.98
  6. Step 6: Final answer
    x = 22,433.76

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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.