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Finding the Fourth Proportional to 8,197,655.40, 12,274,364.70 and 8,197,655.40

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Solution

The fourth proportional to 8,197,655.40, 12,274,364.70 and 8,197,655.40 is: 12,274,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197,655.40 : 12,274,364.70 = 8,197,655.40 : x
  2. Step 2: Convert to fraction form
    8,197,655.40/12,274,364.70 = 8,197,655.40/x
  3. Step 3: Cross multiply
    8,197,655.40x = 12,274,364.70 × 8,197,655.40
  4. Step 4: Simplify right side
    8,197,655.40x = 100,621,012,064,524.38
  5. Step 5: Solve for x
    x = 100,621,012,064,524.38/8,197,655.40
  6. Step 6: Final answer
    x = 12,274,364.70

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1.5x scale

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.