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Finding the Fourth Proportional to 6,605.51, 9,905.38 and 2,498.63

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Solution

The fourth proportional to 6,605.51, 9,905.38 and 2,498.63 is: 3,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.51 : 9,905.38 = 2,498.63 : x
  2. Step 2: Convert to fraction form
    6,605.51/9,905.38 = 2,498.63/x
  3. Step 3: Cross multiply
    6,605.51x = 9,905.38 × 2,498.63
  4. Step 4: Simplify right side
    6,605.51x = 24,749,823.86
  5. Step 5: Solve for x
    x = 24,749,823.86/6,605.51
  6. Step 6: Final answer
    x = 3,746.85

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1.5x scale

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.