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Finding the Fourth Proportional to 5,650,890.92, 7,798,326.92 and 3,072,589.10

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Solution

The fourth proportional to 5,650,890.92, 7,798,326.92 and 3,072,589.10 is: 4,240,225.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,650,890.92 : 7,798,326.92 = 3,072,589.10 : x
  2. Step 2: Convert to fraction form
    5,650,890.92/7,798,326.92 = 3,072,589.10/x
  3. Step 3: Cross multiply
    5,650,890.92x = 7,798,326.92 × 3,072,589.10
  4. Step 4: Simplify right side
    5,650,890.92x = 23,961,054,292,628.57
  5. Step 5: Solve for x
    x = 23,961,054,292,628.57/5,650,890.92
  6. Step 6: Final answer
    x = 4,240,225.95

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.