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Finding the Fourth Proportional to 36,288,638.40, 50,871,278.40 and 36,288,638.40

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Solution

The fourth proportional to 36,288,638.40, 50,871,278.40 and 36,288,638.40 is: 50,871,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,288,638.40 : 50,871,278.40 = 36,288,638.40 : x
  2. Step 2: Convert to fraction form
    36,288,638.40/50,871,278.40 = 36,288,638.40/x
  3. Step 3: Cross multiply
    36,288,638.40x = 50,871,278.40 × 36,288,638.40
  4. Step 4: Simplify right side
    36,288,638.40x = 1,846,049,426,803,330.50
  5. Step 5: Solve for x
    x = 1,846,049,426,803,330.50/36,288,638.40
  6. Step 6: Final answer
    x = 50,871,278.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.