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Finding the Fourth Proportional to 5,870,627.80, 8,805,941.70 and 5,374,616.20

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Solution

The fourth proportional to 5,870,627.80, 8,805,941.70 and 5,374,616.20 is: 8,061,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870,627.80 : 8,805,941.70 = 5,374,616.20 : x
  2. Step 2: Convert to fraction form
    5,870,627.80/8,805,941.70 = 5,374,616.20/x
  3. Step 3: Cross multiply
    5,870,627.80x = 8,805,941.70 × 5,374,616.20
  4. Step 4: Simplify right side
    5,870,627.80x = 47,328,556,917,075.54
  5. Step 5: Solve for x
    x = 47,328,556,917,075.54/5,870,627.80
  6. Step 6: Final answer
    x = 8,061,924.30

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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.