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Finding the Fourth Proportional to 14,858,601.70, 20,830,385.90 and 14,858,601.70

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Solution

The fourth proportional to 14,858,601.70, 20,830,385.90 and 14,858,601.70 is: 20,830,385.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,858,601.70 : 20,830,385.90 = 14,858,601.70 : x
  2. Step 2: Convert to fraction form
    14,858,601.70/20,830,385.90 = 14,858,601.70/x
  3. Step 3: Cross multiply
    14,858,601.70x = 20,830,385.90 × 14,858,601.70
  4. Step 4: Simplify right side
    14,858,601.70x = 309,510,407,345,396
  5. Step 5: Solve for x
    x = 309,510,407,345,396/14,858,601.70
  6. Step 6: Final answer
    x = 20,830,385.90

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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.