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Finding the Fourth Proportional to 18,591,777.90, 26,049,746.70 and 18,591,777.90

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Solution

The fourth proportional to 18,591,777.90, 26,049,746.70 and 18,591,777.90 is: 26,049,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591,777.90 : 26,049,746.70 = 18,591,777.90 : x
  2. Step 2: Convert to fraction form
    18,591,777.90/26,049,746.70 = 18,591,777.90/x
  3. Step 3: Cross multiply
    18,591,777.90x = 26,049,746.70 × 18,591,777.90
  4. Step 4: Simplify right side
    18,591,777.90x = 484,311,104,997,657.88
  5. Step 5: Solve for x
    x = 484,311,104,997,657.88/18,591,777.90
  6. Step 6: Final answer
    x = 26,049,746.70

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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.