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Finding the Fourth Proportional to 4,739,129.01, 6,539,978.32 and 2,563,666.80

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Solution

The fourth proportional to 4,739,129.01, 6,539,978.32 and 2,563,666.80 is: 3,537,849.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739,129.01 : 6,539,978.32 = 2,563,666.80 : x
  2. Step 2: Convert to fraction form
    4,739,129.01/6,539,978.32 = 2,563,666.80/x
  3. Step 3: Cross multiply
    4,739,129.01x = 6,539,978.32 × 2,563,666.80
  4. Step 4: Simplify right side
    4,739,129.01x = 16,766,325,291,703.78
  5. Step 5: Solve for x
    x = 16,766,325,291,703.78/4,739,129.01
  6. Step 6: Final answer
    x = 3,537,849.52

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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.