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Finding the Fourth Proportional to 8,977,502.10, 12,600,389.40 and 8,977,502.10

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Solution

The fourth proportional to 8,977,502.10, 12,600,389.40 and 8,977,502.10 is: 12,600,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977,502.10 : 12,600,389.40 = 8,977,502.10 : x
  2. Step 2: Convert to fraction form
    8,977,502.10/12,600,389.40 = 8,977,502.10/x
  3. Step 3: Cross multiply
    8,977,502.10x = 12,600,389.40 × 8,977,502.10
  4. Step 4: Simplify right side
    8,977,502.10x = 113,120,022,299,317.73
  5. Step 5: Solve for x
    x = 113,120,022,299,317.73/8,977,502.10
  6. Step 6: Final answer
    x = 12,600,389.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.