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Finding the Fourth Proportional to 6,645,334.90, 9,968,002.35 and 3,622,026.10

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Solution

The fourth proportional to 6,645,334.90, 9,968,002.35 and 3,622,026.10 is: 5,433,039.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,334.90 : 9,968,002.35 = 3,622,026.10 : x
  2. Step 2: Convert to fraction form
    6,645,334.90/9,968,002.35 = 3,622,026.10/x
  3. Step 3: Cross multiply
    6,645,334.90x = 9,968,002.35 × 3,622,026.10
  4. Step 4: Simplify right side
    6,645,334.90x = 36,104,364,676,561.34
  5. Step 5: Solve for x
    x = 36,104,364,676,561.34/6,645,334.90
  6. Step 6: Final answer
    x = 5,433,039.15

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Double scale
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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.