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Finding the Fourth Proportional to 6,650,607.48, 9,975,851.05 and 2,101,657.02

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Solution

The fourth proportional to 6,650,607.48, 9,975,851.05 and 2,101,657.02 is: 3,152,466.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650,607.48 : 9,975,851.05 = 2,101,657.02 : x
  2. Step 2: Convert to fraction form
    6,650,607.48/9,975,851.05 = 2,101,657.02/x
  3. Step 3: Cross multiply
    6,650,607.48x = 9,975,851.05 × 2,101,657.02
  4. Step 4: Simplify right side
    6,650,607.48x = 20,965,817,329,319.33
  5. Step 5: Solve for x
    x = 20,965,817,329,319.33/6,650,607.48
  6. Step 6: Final answer
    x = 3,152,466.51

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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.