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Finding the Fourth Proportional to 5,870,652.80, 8,805,979.20 and 5,374,641.20

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Solution

The fourth proportional to 5,870,652.80, 8,805,979.20 and 5,374,641.20 is: 8,061,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870,652.80 : 8,805,979.20 = 5,374,641.20 : x
  2. Step 2: Convert to fraction form
    5,870,652.80/8,805,979.20 = 5,374,641.20/x
  3. Step 3: Cross multiply
    5,870,652.80x = 8,805,979.20 × 5,374,641.20
  4. Step 4: Simplify right side
    5,870,652.80x = 47,328,978,614,663.04
  5. Step 5: Solve for x
    x = 47,328,978,614,663.04/5,870,652.80
  6. Step 6: Final answer
    x = 8,061,961.80

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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.