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Finding the Fourth Proportional to 18,765,266.76, 25,895,893.14 and 10,616,504.76

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Solution

The fourth proportional to 18,765,266.76, 25,895,893.14 and 10,616,504.76 is: 14,650,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,765,266.76 : 25,895,893.14 = 10,616,504.76 : x
  2. Step 2: Convert to fraction form
    18,765,266.76/25,895,893.14 = 10,616,504.76/x
  3. Step 3: Cross multiply
    18,765,266.76x = 25,895,893.14 × 10,616,504.76
  4. Step 4: Simplify right side
    18,765,266.76x = 274,923,872,785,261.34
  5. Step 5: Solve for x
    x = 274,923,872,785,261.34/18,765,266.76
  6. Step 6: Final answer
    x = 14,650,677.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.