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Finding the Fourth Proportional to 34,993,476.80, 52,490,215.20 and 30,836,427.20

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Solution

The fourth proportional to 34,993,476.80, 52,490,215.20 and 30,836,427.20 is: 46,254,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,993,476.80 : 52,490,215.20 = 30,836,427.20 : x
  2. Step 2: Convert to fraction form
    34,993,476.80/52,490,215.20 = 30,836,427.20/x
  3. Step 3: Cross multiply
    34,993,476.80x = 52,490,215.20 × 30,836,427.20
  4. Step 4: Simplify right side
    34,993,476.80x = 1,618,610,699,727,133.50
  5. Step 5: Solve for x
    x = 1,618,610,699,727,133.50/34,993,476.80
  6. Step 6: Final answer
    x = 46,254,640.80

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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.