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Finding the Fourth Proportional to 17,853,873.40, 25,052,109.80 and 17,853,873.40

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Solution

The fourth proportional to 17,853,873.40, 25,052,109.80 and 17,853,873.40 is: 25,052,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,853,873.40 : 25,052,109.80 = 17,853,873.40 : x
  2. Step 2: Convert to fraction form
    17,853,873.40/25,052,109.80 = 17,853,873.40/x
  3. Step 3: Cross multiply
    17,853,873.40x = 25,052,109.80 × 17,853,873.40
  4. Step 4: Simplify right side
    17,853,873.40x = 447,277,196,772,099.31
  5. Step 5: Solve for x
    x = 447,277,196,772,099.31/17,853,873.40
  6. Step 6: Final answer
    x = 25,052,109.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.