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Finding the Fourth Proportional to 17,779,503.90, 26,669,255.85 and 17,496,068.70

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Solution

The fourth proportional to 17,779,503.90, 26,669,255.85 and 17,496,068.70 is: 26,244,103.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,779,503.90 : 26,669,255.85 = 17,496,068.70 : x
  2. Step 2: Convert to fraction form
    17,779,503.90/26,669,255.85 = 17,496,068.70/x
  3. Step 3: Cross multiply
    17,779,503.90x = 26,669,255.85 × 17,496,068.70
  4. Step 4: Simplify right side
    17,779,503.90x = 466,607,132,529,476.88
  5. Step 5: Solve for x
    x = 466,607,132,529,476.88/17,779,503.90
  6. Step 6: Final answer
    x = 26,244,103.05

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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.