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Finding the Fourth Proportional to 8,409,358.35, 11,804,988.15 and 8,409,358.35

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Solution

The fourth proportional to 8,409,358.35, 11,804,988.15 and 8,409,358.35 is: 11,804,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409,358.35 : 11,804,988.15 = 8,409,358.35 : x
  2. Step 2: Convert to fraction form
    8,409,358.35/11,804,988.15 = 8,409,358.35/x
  3. Step 3: Cross multiply
    8,409,358.35x = 11,804,988.15 × 8,409,358.35
  4. Step 4: Simplify right side
    8,409,358.35x = 99,272,375,670,853.55
  5. Step 5: Solve for x
    x = 99,272,375,670,853.55/8,409,358.35
  6. Step 6: Final answer
    x = 11,804,988.15

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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.