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Finding the Fourth Proportional to 6,643,244.70, 9,947,152.35 and 6,643,244.70

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Solution

The fourth proportional to 6,643,244.70, 9,947,152.35 and 6,643,244.70 is: 9,947,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,244.70 : 9,947,152.35 = 6,643,244.70 : x
  2. Step 2: Convert to fraction form
    6,643,244.70/9,947,152.35 = 6,643,244.70/x
  3. Step 3: Cross multiply
    6,643,244.70x = 9,947,152.35 × 6,643,244.70
  4. Step 4: Simplify right side
    6,643,244.70x = 66,081,367,129,230.05
  5. Step 5: Solve for x
    x = 66,081,367,129,230.05/6,643,244.70
  6. Step 6: Final answer
    x = 9,947,152.35

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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.