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Finding the Fourth Proportional to 35,218,856.40, 49,205,622 and 35,218,856.40

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Solution

The fourth proportional to 35,218,856.40, 49,205,622 and 35,218,856.40 is: 49,205,622

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,218,856.40 : 49,205,622 = 35,218,856.40 : x
  2. Step 2: Convert to fraction form
    35,218,856.40/49,205,622 = 35,218,856.40/x
  3. Step 3: Cross multiply
    35,218,856.40x = 49,205,622 × 35,218,856.40
  4. Step 4: Simplify right side
    35,218,856.40x = 1,732,965,735,290,680.75
  5. Step 5: Solve for x
    x = 1,732,965,735,290,680.75/35,218,856.40
  6. Step 6: Final answer
    x = 49,205,622

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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.