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Finding the Fourth Proportional to 5,806,122.03, 8,705,820.53 and 1,966,657.64

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Solution

The fourth proportional to 5,806,122.03, 8,705,820.53 and 1,966,657.64 is: 2,948,847.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806,122.03 : 8,705,820.53 = 1,966,657.64 : x
  2. Step 2: Convert to fraction form
    5,806,122.03/8,705,820.53 = 1,966,657.64/x
  3. Step 3: Cross multiply
    5,806,122.03x = 8,705,820.53 × 1,966,657.64
  4. Step 4: Simplify right side
    5,806,122.03x = 17,121,368,414,264.25
  5. Step 5: Solve for x
    x = 17,121,368,414,264.25/5,806,122.03
  6. Step 6: Final answer
    x = 2,948,847.50

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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.