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Finding the Fourth Proportional to 28,192,000.40, 39,383,770 and 28,192,000.40

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Solution

The fourth proportional to 28,192,000.40, 39,383,770 and 28,192,000.40 is: 39,383,770

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192,000.40 : 39,383,770 = 28,192,000.40 : x
  2. Step 2: Convert to fraction form
    28,192,000.40/39,383,770 = 28,192,000.40/x
  3. Step 3: Cross multiply
    28,192,000.40x = 39,383,770 × 28,192,000.40
  4. Step 4: Simplify right side
    28,192,000.40x = 1,110,307,259,593,508
  5. Step 5: Solve for x
    x = 1,110,307,259,593,508/28,192,000.40
  6. Step 6: Final answer
    x = 39,383,770

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1.5x scale

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.