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Finding the Fourth Proportional to 6,679,486.81, 9,217,695.14 and 3,623,700.25

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Solution

The fourth proportional to 6,679,486.81, 9,217,695.14 and 3,623,700.25 is: 5,000,708.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679,486.81 : 9,217,695.14 = 3,623,700.25 : x
  2. Step 2: Convert to fraction form
    6,679,486.81/9,217,695.14 = 3,623,700.25/x
  3. Step 3: Cross multiply
    6,679,486.81x = 9,217,695.14 × 3,623,700.25
  4. Step 4: Simplify right side
    6,679,486.81x = 33,402,164,183,241.79
  5. Step 5: Solve for x
    x = 33,402,164,183,241.79/6,679,486.81
  6. Step 6: Final answer
    x = 5,000,708.16

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Double scale
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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.