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Finding the Fourth Proportional to 6,643,280.52, 9,964,920.91 and 1,594,591.02

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Solution

The fourth proportional to 6,643,280.52, 9,964,920.91 and 1,594,591.02 is: 2,391,886.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,280.52 : 9,964,920.91 = 1,594,591.02 : x
  2. Step 2: Convert to fraction form
    6,643,280.52/9,964,920.91 = 1,594,591.02/x
  3. Step 3: Cross multiply
    6,643,280.52x = 9,964,920.91 × 1,594,591.02
  4. Step 4: Simplify right side
    6,643,280.52x = 15,889,973,398,096.23
  5. Step 5: Solve for x
    x = 15,889,973,398,096.23/6,643,280.52
  6. Step 6: Final answer
    x = 2,391,886.56

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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.