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Finding the Fourth Proportional to 6,643,210.95, 9,947,101.73 and 6,643,210.95

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Solution

The fourth proportional to 6,643,210.95, 9,947,101.73 and 6,643,210.95 is: 9,947,101.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,210.95 : 9,947,101.73 = 6,643,210.95 : x
  2. Step 2: Convert to fraction form
    6,643,210.95/9,947,101.73 = 6,643,210.95/x
  3. Step 3: Cross multiply
    6,643,210.95x = 9,947,101.73 × 6,643,210.95
  4. Step 4: Simplify right side
    6,643,210.95x = 66,080,695,100,283.89
  5. Step 5: Solve for x
    x = 66,080,695,100,283.89/6,643,210.95
  6. Step 6: Final answer
    x = 9,947,101.73

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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.