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Finding the Fourth Proportional to 14,843,612.90, 20,810,917.90 and 14,843,612.90

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Solution

The fourth proportional to 14,843,612.90, 20,810,917.90 and 14,843,612.90 is: 20,810,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,843,612.90 : 20,810,917.90 = 14,843,612.90 : x
  2. Step 2: Convert to fraction form
    14,843,612.90/20,810,917.90 = 14,843,612.90/x
  3. Step 3: Cross multiply
    14,843,612.90x = 20,810,917.90 × 14,843,612.90
  4. Step 4: Simplify right side
    14,843,612.90x = 308,909,209,401,280.88
  5. Step 5: Solve for x
    x = 308,909,209,401,280.88/14,843,612.90
  6. Step 6: Final answer
    x = 20,810,917.90

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1.5x scale

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.