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Finding the Fourth Proportional to 4,611,332.16, 6,917,018.49 and 1,915,655.13

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Solution

The fourth proportional to 4,611,332.16, 6,917,018.49 and 1,915,655.13 is: 2,873,491.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611,332.16 : 6,917,018.49 = 1,915,655.13 : x
  2. Step 2: Convert to fraction form
    4,611,332.16/6,917,018.49 = 1,915,655.13/x
  3. Step 3: Cross multiply
    4,611,332.16x = 6,917,018.49 × 1,915,655.13
  4. Step 4: Simplify right side
    4,611,332.16x = 13,250,621,954,673.35
  5. Step 5: Solve for x
    x = 13,250,621,954,673.35/4,611,332.16
  6. Step 6: Final answer
    x = 2,873,491.11

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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.