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Finding the Fourth Proportional to 5,979,685.60, 8,969,528.40 and 2,386,007.20

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Solution

The fourth proportional to 5,979,685.60, 8,969,528.40 and 2,386,007.20 is: 3,579,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979,685.60 : 8,969,528.40 = 2,386,007.20 : x
  2. Step 2: Convert to fraction form
    5,979,685.60/8,969,528.40 = 2,386,007.20/x
  3. Step 3: Cross multiply
    5,979,685.60x = 8,969,528.40 × 2,386,007.20
  4. Step 4: Simplify right side
    5,979,685.60x = 21,401,359,343,004.48
  5. Step 5: Solve for x
    x = 21,401,359,343,004.48/5,979,685.60
  6. Step 6: Final answer
    x = 3,579,010.80

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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.