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Finding the Fourth Proportional to 17,766,054.20, 26,649,081.30 and 16,490,595.80

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Solution

The fourth proportional to 17,766,054.20, 26,649,081.30 and 16,490,595.80 is: 24,735,893.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,766,054.20 : 26,649,081.30 = 16,490,595.80 : x
  2. Step 2: Convert to fraction form
    17,766,054.20/26,649,081.30 = 16,490,595.80/x
  3. Step 3: Cross multiply
    17,766,054.20x = 26,649,081.30 × 16,490,595.80
  4. Step 4: Simplify right side
    17,766,054.20x = 439,459,228,159,638.56
  5. Step 5: Solve for x
    x = 439,459,228,159,638.56/17,766,054.20
  6. Step 6: Final answer
    x = 24,735,893.70

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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.