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Finding the Fourth Proportional to 17,766,020.70, 26,649,031.05 and 17,766,020.70

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Solution

The fourth proportional to 17,766,020.70, 26,649,031.05 and 17,766,020.70 is: 26,649,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,766,020.70 : 26,649,031.05 = 17,766,020.70 : x
  2. Step 2: Convert to fraction form
    17,766,020.70/26,649,031.05 = 17,766,020.70/x
  3. Step 3: Cross multiply
    17,766,020.70x = 26,649,031.05 × 17,766,020.70
  4. Step 4: Simplify right side
    17,766,020.70x = 473,447,237,269,242.75
  5. Step 5: Solve for x
    x = 473,447,237,269,242.75/17,766,020.70
  6. Step 6: Final answer
    x = 26,649,031.05

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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.