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Finding the Fourth Proportional to 19,006.64, 26,231.64 and 10,624.88

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Solution

The fourth proportional to 19,006.64, 26,231.64 and 10,624.88 is: 14,663.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.64 : 26,231.64 = 10,624.88 : x
  2. Step 2: Convert to fraction form
    19,006.64/26,231.64 = 10,624.88/x
  3. Step 3: Cross multiply
    19,006.64x = 26,231.64 × 10,624.88
  4. Step 4: Simplify right side
    19,006.64x = 278,708,027.20
  5. Step 5: Solve for x
    x = 278,708,027.20/19,006.64
  6. Step 6: Final answer
    x = 14,663.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.