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Finding the Fourth Proportional to 6,611,875.48, 9,913,959.72 and 2,563,633.96

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Solution

The fourth proportional to 6,611,875.48, 9,913,959.72 and 2,563,633.96 is: 3,843,956.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611,875.48 : 9,913,959.72 = 2,563,633.96 : x
  2. Step 2: Convert to fraction form
    6,611,875.48/9,913,959.72 = 2,563,633.96/x
  3. Step 3: Cross multiply
    6,611,875.48x = 9,913,959.72 × 2,563,633.96
  4. Step 4: Simplify right side
    6,611,875.48x = 25,415,763,816,264.09
  5. Step 5: Solve for x
    x = 25,415,763,816,264.09/6,611,875.48
  6. Step 6: Final answer
    x = 3,843,956.82

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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.