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Finding the Fourth Proportional to 5,869,076.80, 8,803,615.20 and 3,626,478.40

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Solution

The fourth proportional to 5,869,076.80, 8,803,615.20 and 3,626,478.40 is: 5,439,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869,076.80 : 8,803,615.20 = 3,626,478.40 : x
  2. Step 2: Convert to fraction form
    5,869,076.80/8,803,615.20 = 3,626,478.40/x
  3. Step 3: Cross multiply
    5,869,076.80x = 8,803,615.20 × 3,626,478.40
  4. Step 4: Simplify right side
    5,869,076.80x = 31,926,120,364,711.68
  5. Step 5: Solve for x
    x = 31,926,120,364,711.68/5,869,076.80
  6. Step 6: Final answer
    x = 5,439,717.60

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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.