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Finding the Fourth Proportional to 26,608,894.80, 39,913,342.20 and 11,492,350.80

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Solution

The fourth proportional to 26,608,894.80, 39,913,342.20 and 11,492,350.80 is: 17,238,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,608,894.80 : 39,913,342.20 = 11,492,350.80 : x
  2. Step 2: Convert to fraction form
    26,608,894.80/39,913,342.20 = 11,492,350.80/x
  3. Step 3: Cross multiply
    26,608,894.80x = 39,913,342.20 × 11,492,350.80
  4. Step 4: Simplify right side
    26,608,894.80x = 458,698,130,162,843.81
  5. Step 5: Solve for x
    x = 458,698,130,162,843.81/26,608,894.80
  6. Step 6: Final answer
    x = 17,238,526.20

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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.