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Finding the Fourth Proportional to 5,783,649.60, 8,673,919.20 and 1,740,129.60

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Solution

The fourth proportional to 5,783,649.60, 8,673,919.20 and 1,740,129.60 is: 2,609,726.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,783,649.60 : 8,673,919.20 = 1,740,129.60 : x
  2. Step 2: Convert to fraction form
    5,783,649.60/8,673,919.20 = 1,740,129.60/x
  3. Step 3: Cross multiply
    5,783,649.60x = 8,673,919.20 × 1,740,129.60
  4. Step 4: Simplify right side
    5,783,649.60x = 15,093,743,547,928.32
  5. Step 5: Solve for x
    x = 15,093,743,547,928.32/5,783,649.60
  6. Step 6: Final answer
    x = 2,609,726.49

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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.