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Finding the Fourth Proportional to 5,095,869.75, 7,643,804.54 and 1,857,650.22

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Solution

The fourth proportional to 5,095,869.75, 7,643,804.54 and 1,857,650.22 is: 2,786,475.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095,869.75 : 7,643,804.54 = 1,857,650.22 : x
  2. Step 2: Convert to fraction form
    5,095,869.75/7,643,804.54 = 1,857,650.22/x
  3. Step 3: Cross multiply
    5,095,869.75x = 7,643,804.54 × 1,857,650.22
  4. Step 4: Simplify right side
    5,095,869.75x = 14,199,515,176,079.75
  5. Step 5: Solve for x
    x = 14,199,515,176,079.75/5,095,869.75
  6. Step 6: Final answer
    x = 2,786,475.30

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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.