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Finding the Fourth Proportional to 14,273.95, 21,412.95 and 4,414.06

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Solution

The fourth proportional to 14,273.95, 21,412.95 and 4,414.06 is: 6,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.95 : 21,412.95 = 4,414.06 : x
  2. Step 2: Convert to fraction form
    14,273.95/21,412.95 = 4,414.06/x
  3. Step 3: Cross multiply
    14,273.95x = 21,412.95 × 4,414.06
  4. Step 4: Simplify right side
    14,273.95x = 94,518,046.08
  5. Step 5: Solve for x
    x = 94,518,046.08/14,273.95
  6. Step 6: Final answer
    x = 6,621.72

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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.