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Finding the Fourth Proportional to 7,603.35, 11,402.11 and 3,653.51

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Solution

The fourth proportional to 7,603.35, 11,402.11 and 3,653.51 is: 5,478.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.35 : 11,402.11 = 3,653.51 : x
  2. Step 2: Convert to fraction form
    7,603.35/11,402.11 = 3,653.51/x
  3. Step 3: Cross multiply
    7,603.35x = 11,402.11 × 3,653.51
  4. Step 4: Simplify right side
    7,603.35x = 41,657,722.91
  5. Step 5: Solve for x
    x = 41,657,722.91/7,603.35
  6. Step 6: Final answer
    x = 5,478.86

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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.