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Finding the Fourth Proportional to 5,843,685.72, 8,765,528.64 and 1,583,853.93

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Solution

The fourth proportional to 5,843,685.72, 8,765,528.64 and 1,583,853.93 is: 2,375,780.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,843,685.72 : 8,765,528.64 = 1,583,853.93 : x
  2. Step 2: Convert to fraction form
    5,843,685.72/8,765,528.64 = 1,583,853.93/x
  3. Step 3: Cross multiply
    5,843,685.72x = 8,765,528.64 × 1,583,853.93
  4. Step 4: Simplify right side
    5,843,685.72x = 13,883,316,984,991.55
  5. Step 5: Solve for x
    x = 13,883,316,984,991.55/5,843,685.72
  6. Step 6: Final answer
    x = 2,375,780.91

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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.