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Finding the Fourth Proportional to 5,798,492.80, 8,697,739.20 and 3,656,982.40

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Solution

The fourth proportional to 5,798,492.80, 8,697,739.20 and 3,656,982.40 is: 5,485,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,798,492.80 : 8,697,739.20 = 3,656,982.40 : x
  2. Step 2: Convert to fraction form
    5,798,492.80/8,697,739.20 = 3,656,982.40/x
  3. Step 3: Cross multiply
    5,798,492.80x = 8,697,739.20 × 3,656,982.40
  4. Step 4: Simplify right side
    5,798,492.80x = 31,807,479,174,190.08
  5. Step 5: Solve for x
    x = 31,807,479,174,190.08/5,798,492.80
  6. Step 6: Final answer
    x = 5,485,473.60

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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.