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Finding the Fourth Proportional to 17,390,856.30, 26,086,284.45 and 17,390,856.30

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Solution

The fourth proportional to 17,390,856.30, 26,086,284.45 and 17,390,856.30 is: 26,086,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390,856.30 : 26,086,284.45 = 17,390,856.30 : x
  2. Step 2: Convert to fraction form
    17,390,856.30/26,086,284.45 = 17,390,856.30/x
  3. Step 3: Cross multiply
    17,390,856.30x = 26,086,284.45 × 17,390,856.30
  4. Step 4: Simplify right side
    17,390,856.30x = 453,662,824,270,874.56
  5. Step 5: Solve for x
    x = 453,662,824,270,874.56/17,390,856.30
  6. Step 6: Final answer
    x = 26,086,284.45

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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.