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Finding the Fourth Proportional to 5,750,784.60, 8,626,176.90 and 1,761,696.60

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Solution

The fourth proportional to 5,750,784.60, 8,626,176.90 and 1,761,696.60 is: 2,642,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,750,784.60 : 8,626,176.90 = 1,761,696.60 : x
  2. Step 2: Convert to fraction form
    5,750,784.60/8,626,176.90 = 1,761,696.60/x
  3. Step 3: Cross multiply
    5,750,784.60x = 8,626,176.90 × 1,761,696.60
  4. Step 4: Simplify right side
    5,750,784.60x = 15,196,706,515,728.54
  5. Step 5: Solve for x
    x = 15,196,706,515,728.54/5,750,784.60
  6. Step 6: Final answer
    x = 2,642,544.90

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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.