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Finding the Fourth Proportional to 17,581,310.40, 26,368,466.40 and 8,483,390.40

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Solution

The fourth proportional to 17,581,310.40, 26,368,466.40 and 8,483,390.40 is: 12,723,397.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,581,310.40 : 26,368,466.40 = 8,483,390.40 : x
  2. Step 2: Convert to fraction form
    17,581,310.40/26,368,466.40 = 8,483,390.40/x
  3. Step 3: Cross multiply
    17,581,310.40x = 26,368,466.40 × 8,483,390.40
  4. Step 4: Simplify right side
    17,581,310.40x = 223,693,994,720,482.56
  5. Step 5: Solve for x
    x = 223,693,994,720,482.56/17,581,310.40
  6. Step 6: Final answer
    x = 12,723,397.15

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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.