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Finding the Fourth Proportional to 5,958,863.01, 8,938,377.81 and 1,699,031.57

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Solution

The fourth proportional to 5,958,863.01, 8,938,377.81 and 1,699,031.57 is: 2,548,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,958,863.01 : 8,938,377.81 = 1,699,031.57 : x
  2. Step 2: Convert to fraction form
    5,958,863.01/8,938,377.81 = 1,699,031.57/x
  3. Step 3: Cross multiply
    5,958,863.01x = 8,938,377.81 × 1,699,031.57
  4. Step 4: Simplify right side
    5,958,863.01x = 15,186,586,039,085.57
  5. Step 5: Solve for x
    x = 15,186,586,039,085.57/5,958,863.01
  6. Step 6: Final answer
    x = 2,548,571.10

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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.