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Finding the Fourth Proportional to 5,720,978.93, 7,895,014.43 and 3,366,697.02

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Solution

The fourth proportional to 5,720,978.93, 7,895,014.43 and 3,366,697.02 is: 4,646,079.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720,978.93 : 7,895,014.43 = 3,366,697.02 : x
  2. Step 2: Convert to fraction form
    5,720,978.93/7,895,014.43 = 3,366,697.02/x
  3. Step 3: Cross multiply
    5,720,978.93x = 7,895,014.43 × 3,366,697.02
  4. Step 4: Simplify right side
    5,720,978.93x = 26,580,121,537,504.51
  5. Step 5: Solve for x
    x = 26,580,121,537,504.51/5,720,978.93
  6. Step 6: Final answer
    x = 4,646,079.26

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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.