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Finding the Fourth Proportional to 17,604,682.40, 26,351,036.40 and 12,565,834.40

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Solution

The fourth proportional to 17,604,682.40, 26,351,036.40 and 12,565,834.40 is: 18,808,789.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,604,682.40 : 26,351,036.40 = 12,565,834.40 : x
  2. Step 2: Convert to fraction form
    17,604,682.40/26,351,036.40 = 12,565,834.40/x
  3. Step 3: Cross multiply
    17,604,682.40x = 26,351,036.40 × 12,565,834.40
  4. Step 4: Simplify right side
    17,604,682.40x = 331,122,759,670,772.12
  5. Step 5: Solve for x
    x = 331,122,759,670,772.12/17,604,682.40
  6. Step 6: Final answer
    x = 18,808,789.17

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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.