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Finding the Fourth Proportional to 34,491,477.60, 51,674,230.80 and 28,066,946.40

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Solution

The fourth proportional to 34,491,477.60, 51,674,230.80 and 28,066,946.40 is: 42,049,165.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,491,477.60 : 51,674,230.80 = 28,066,946.40 : x
  2. Step 2: Convert to fraction form
    34,491,477.60/51,674,230.80 = 28,066,946.40/x
  3. Step 3: Cross multiply
    34,491,477.60x = 51,674,230.80 × 28,066,946.40
  4. Step 4: Simplify right side
    34,491,477.60x = 1,450,337,866,124,829
  5. Step 5: Solve for x
    x = 1,450,337,866,124,829/34,491,477.60
  6. Step 6: Final answer
    x = 42,049,165.97

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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.