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Finding the Fourth Proportional to 5,710,796.48, 8,567,008.74 and 1,872,919.16

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Solution

The fourth proportional to 5,710,796.48, 8,567,008.74 and 1,872,919.16 is: 2,809,645.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,710,796.48 : 8,567,008.74 = 1,872,919.16 : x
  2. Step 2: Convert to fraction form
    5,710,796.48/8,567,008.74 = 1,872,919.16/x
  3. Step 3: Cross multiply
    5,710,796.48x = 8,567,008.74 × 1,872,919.16
  4. Step 4: Simplify right side
    5,710,796.48x = 16,045,314,813,033.46
  5. Step 5: Solve for x
    x = 16,045,314,813,033.46/5,710,796.48
  6. Step 6: Final answer
    x = 2,809,645.71

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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.