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Finding the Fourth Proportional to 6,617,928.22, 9,896,416.88 and 6,295,077.61

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Solution

The fourth proportional to 6,617,928.22, 9,896,416.88 and 6,295,077.61 is: 9,413,627.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617,928.22 : 9,896,416.88 = 6,295,077.61 : x
  2. Step 2: Convert to fraction form
    6,617,928.22/9,896,416.88 = 6,295,077.61/x
  3. Step 3: Cross multiply
    6,617,928.22x = 9,896,416.88 × 6,295,077.61
  4. Step 4: Simplify right side
    6,617,928.22x = 62,298,712,271,031.98
  5. Step 5: Solve for x
    x = 62,298,712,271,031.98/6,617,928.22
  6. Step 6: Final answer
    x = 9,413,627.69

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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.