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Finding the Fourth Proportional to 6,725,728.24, 9,281,728.98 and 3,670,110.16

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Solution

The fourth proportional to 6,725,728.24, 9,281,728.98 and 3,670,110.16 is: 5,064,874.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,725,728.24 : 9,281,728.98 = 3,670,110.16 : x
  2. Step 2: Convert to fraction form
    6,725,728.24/9,281,728.98 = 3,670,110.16/x
  3. Step 3: Cross multiply
    6,725,728.24x = 9,281,728.98 × 3,670,110.16
  4. Step 4: Simplify right side
    6,725,728.24x = 34,064,967,831,864.44
  5. Step 5: Solve for x
    x = 34,064,967,831,864.44/6,725,728.24
  6. Step 6: Final answer
    x = 5,064,874.26

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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.