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Finding the Fourth Proportional to 6,602,003.70, 9,918,751.95 and 5,909,162.10

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Solution

The fourth proportional to 6,602,003.70, 9,918,751.95 and 5,909,162.10 is: 8,877,837.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602,003.70 : 9,918,751.95 = 5,909,162.10 : x
  2. Step 2: Convert to fraction form
    6,602,003.70/9,918,751.95 = 5,909,162.10/x
  3. Step 3: Cross multiply
    6,602,003.70x = 9,918,751.95 × 5,909,162.10
  4. Step 4: Simplify right side
    6,602,003.70x = 58,611,513,102,241.09
  5. Step 5: Solve for x
    x = 58,611,513,102,241.09/6,602,003.70
  6. Step 6: Final answer
    x = 8,877,837.06

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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.