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Finding the Fourth Proportional to 8,492,641.51, 12,738,008.28 and 2,345,497.08

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Solution

The fourth proportional to 8,492,641.51, 12,738,008.28 and 2,345,497.08 is: 3,517,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492,641.51 : 12,738,008.28 = 2,345,497.08 : x
  2. Step 2: Convert to fraction form
    8,492,641.51/12,738,008.28 = 2,345,497.08/x
  3. Step 3: Cross multiply
    8,492,641.51x = 12,738,008.28 × 2,345,497.08
  4. Step 4: Simplify right side
    8,492,641.51x = 29,876,961,225,755.82
  5. Step 5: Solve for x
    x = 29,876,961,225,755.82/8,492,641.51
  6. Step 6: Final answer
    x = 3,517,982.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.