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Finding the Fourth Proportional to 6,369,041.52, 8,789,190.48 and 3,615,706.08

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Solution

The fourth proportional to 6,369,041.52, 8,789,190.48 and 3,615,706.08 is: 4,989,625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,369,041.52 : 8,789,190.48 = 3,615,706.08 : x
  2. Step 2: Convert to fraction form
    6,369,041.52/8,789,190.48 = 3,615,706.08/x
  3. Step 3: Cross multiply
    6,369,041.52x = 8,789,190.48 × 3,615,706.08
  4. Step 4: Simplify right side
    6,369,041.52x = 31,779,129,456,814.12
  5. Step 5: Solve for x
    x = 31,779,129,456,814.12/6,369,041.52
  6. Step 6: Final answer
    x = 4,989,625.10

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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.