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Finding the Fourth Proportional to 15,955.98, 23,947.80 and 15,919.08

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Solution

The fourth proportional to 15,955.98, 23,947.80 and 15,919.08 is: 23,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955.98 : 23,947.80 = 15,919.08 : x
  2. Step 2: Convert to fraction form
    15,955.98/23,947.80 = 15,919.08/x
  3. Step 3: Cross multiply
    15,955.98x = 23,947.80 × 15,919.08
  4. Step 4: Simplify right side
    15,955.98x = 381,226,944.02
  5. Step 5: Solve for x
    x = 381,226,944.02/15,955.98
  6. Step 6: Final answer
    x = 23,892.42

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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.