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Finding the Fourth Proportional to 6,283,308.74, 8,671,669.86 and 3,803,896.04

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Solution

The fourth proportional to 6,283,308.74, 8,671,669.86 and 3,803,896.04 is: 5,249,802.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,283,308.74 : 8,671,669.86 = 3,803,896.04 : x
  2. Step 2: Convert to fraction form
    6,283,308.74/8,671,669.86 = 3,803,896.04/x
  3. Step 3: Cross multiply
    6,283,308.74x = 8,671,669.86 × 3,803,896.04
  4. Step 4: Simplify right side
    6,283,308.74x = 32,986,130,597,283.00
  5. Step 5: Solve for x
    x = 32,986,130,597,283.00/6,283,308.74
  6. Step 6: Final answer
    x = 5,249,802.61

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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.