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Finding the Fourth Proportional to 17,886.98, 26,856.80 and 10,004.94

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Solution

The fourth proportional to 17,886.98, 26,856.80 and 10,004.94 is: 15,022.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,886.98 : 26,856.80 = 10,004.94 : x
  2. Step 2: Convert to fraction form
    17,886.98/26,856.80 = 10,004.94/x
  3. Step 3: Cross multiply
    17,886.98x = 26,856.80 × 10,004.94
  4. Step 4: Simplify right side
    17,886.98x = 268,700,697.60
  5. Step 5: Solve for x
    x = 268,700,697.60/17,886.98
  6. Step 6: Final answer
    x = 15,022.14

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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.