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Finding the Fourth Proportional to 5,870,974.80, 8,806,462.20 and 5,348,427.60

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Solution

The fourth proportional to 5,870,974.80, 8,806,462.20 and 5,348,427.60 is: 8,022,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870,974.80 : 8,806,462.20 = 5,348,427.60 : x
  2. Step 2: Convert to fraction form
    5,870,974.80/8,806,462.20 = 5,348,427.60/x
  3. Step 3: Cross multiply
    5,870,974.80x = 8,806,462.20 × 5,348,427.60
  4. Step 4: Simplify right side
    5,870,974.80x = 47,100,725,488,836.71
  5. Step 5: Solve for x
    x = 47,100,725,488,836.71/5,870,974.80
  6. Step 6: Final answer
    x = 8,022,641.40

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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.