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Finding the Fourth Proportional to 26,471,319.60, 39,706,979.40 and 26,471,319.60

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Solution

The fourth proportional to 26,471,319.60, 39,706,979.40 and 26,471,319.60 is: 39,706,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,471,319.60 : 39,706,979.40 = 26,471,319.60 : x
  2. Step 2: Convert to fraction form
    26,471,319.60/39,706,979.40 = 26,471,319.60/x
  3. Step 3: Cross multiply
    26,471,319.60x = 39,706,979.40 × 26,471,319.60
  4. Step 4: Simplify right side
    26,471,319.60x = 1,051,096,142,048,016.25
  5. Step 5: Solve for x
    x = 1,051,096,142,048,016.25/26,471,319.60
  6. Step 6: Final answer
    x = 39,706,979.40

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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.