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Finding the Fourth Proportional to 5,997,897.71, 8,978,188.71 and 3,258,595.46

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Solution

The fourth proportional to 5,997,897.71, 8,978,188.71 and 3,258,595.46 is: 4,877,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,997,897.71 : 8,978,188.71 = 3,258,595.46 : x
  2. Step 2: Convert to fraction form
    5,997,897.71/8,978,188.71 = 3,258,595.46/x
  3. Step 3: Cross multiply
    5,997,897.71x = 8,978,188.71 × 3,258,595.46
  4. Step 4: Simplify right side
    5,997,897.71x = 29,256,284,969,429.26
  5. Step 5: Solve for x
    x = 29,256,284,969,429.26/5,997,897.71
  6. Step 6: Final answer
    x = 4,877,756.57

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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.