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Finding the Fourth Proportional to 33,914,477.70, 50,871,716.55 and 21,000,461.40

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Solution

The fourth proportional to 33,914,477.70, 50,871,716.55 and 21,000,461.40 is: 31,500,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,914,477.70 : 50,871,716.55 = 21,000,461.40 : x
  2. Step 2: Convert to fraction form
    33,914,477.70/50,871,716.55 = 21,000,461.40/x
  3. Step 3: Cross multiply
    33,914,477.70x = 50,871,716.55 × 21,000,461.40
  4. Step 4: Simplify right side
    33,914,477.70x = 1,068,329,519,760,016
  5. Step 5: Solve for x
    x = 1,068,329,519,760,016/33,914,477.70
  6. Step 6: Final answer
    x = 31,500,692.10

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1.5x scale

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.