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Finding the Fourth Proportional to 14,489.95, 21,734.93 and 4,101.79

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Solution

The fourth proportional to 14,489.95, 21,734.93 and 4,101.79 is: 6,152.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489.95 : 21,734.93 = 4,101.79 : x
  2. Step 2: Convert to fraction form
    14,489.95/21,734.93 = 4,101.79/x
  3. Step 3: Cross multiply
    14,489.95x = 21,734.93 × 4,101.79
  4. Step 4: Simplify right side
    14,489.95x = 89,152,118.52
  5. Step 5: Solve for x
    x = 89,152,118.52/14,489.95
  6. Step 6: Final answer
    x = 6,152.69

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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.