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Finding the Fourth Proportional to 12,461,618.90, 17,471,460.70 and 12,461,618.90

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Solution

The fourth proportional to 12,461,618.90, 17,471,460.70 and 12,461,618.90 is: 17,471,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461,618.90 : 17,471,460.70 = 12,461,618.90 : x
  2. Step 2: Convert to fraction form
    12,461,618.90/17,471,460.70 = 12,461,618.90/x
  3. Step 3: Cross multiply
    12,461,618.90x = 17,471,460.70 × 12,461,618.90
  4. Step 4: Simplify right side
    12,461,618.90x = 217,722,684,869,727.22
  5. Step 5: Solve for x
    x = 217,722,684,869,727.22/12,461,618.90
  6. Step 6: Final answer
    x = 17,471,460.70

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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.