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Finding the Fourth Proportional to 4,888,909.71, 6,747,010.70 and 2,713,453.02

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Solution

The fourth proportional to 4,888,909.71, 6,747,010.70 and 2,713,453.02 is: 3,744,740.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888,909.71 : 6,747,010.70 = 2,713,453.02 : x
  2. Step 2: Convert to fraction form
    4,888,909.71/6,747,010.70 = 2,713,453.02/x
  3. Step 3: Cross multiply
    4,888,909.71x = 6,747,010.70 × 2,713,453.02
  4. Step 4: Simplify right side
    4,888,909.71x = 18,307,696,546,320.05
  5. Step 5: Solve for x
    x = 18,307,696,546,320.05/4,888,909.71
  6. Step 6: Final answer
    x = 3,744,740.16

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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.