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Finding the Fourth Proportional to 5,876,980.62, 8,792,662.91 and 5,151,868.13

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Solution

The fourth proportional to 5,876,980.62, 8,792,662.91 and 5,151,868.13 is: 7,707,808.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,876,980.62 : 8,792,662.91 = 5,151,868.13 : x
  2. Step 2: Convert to fraction form
    5,876,980.62/8,792,662.91 = 5,151,868.13/x
  3. Step 3: Cross multiply
    5,876,980.62x = 8,792,662.91 × 5,151,868.13
  4. Step 4: Simplify right side
    5,876,980.62x = 45,298,639,754,139.40
  5. Step 5: Solve for x
    x = 45,298,639,754,139.40/5,876,980.62
  6. Step 6: Final answer
    x = 7,707,808.26

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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.