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Finding the Fourth Proportional to 5,323,593.60, 7,983,057.60 and 2,127,657.60

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Solution

The fourth proportional to 5,323,593.60, 7,983,057.60 and 2,127,657.60 is: 3,190,554.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323,593.60 : 7,983,057.60 = 2,127,657.60 : x
  2. Step 2: Convert to fraction form
    5,323,593.60/7,983,057.60 = 2,127,657.60/x
  3. Step 3: Cross multiply
    5,323,593.60x = 7,983,057.60 × 2,127,657.60
  4. Step 4: Simplify right side
    5,323,593.60x = 16,985,213,173,877.76
  5. Step 5: Solve for x
    x = 16,985,213,173,877.76/5,323,593.60
  6. Step 6: Final answer
    x = 3,190,554.06

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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.