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Finding the Fourth Proportional to 5,603.35, 8,403.06 and 1,653.56

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Solution

The fourth proportional to 5,603.35, 8,403.06 and 1,653.56 is: 2,479.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.35 : 8,403.06 = 1,653.56 : x
  2. Step 2: Convert to fraction form
    5,603.35/8,403.06 = 1,653.56/x
  3. Step 3: Cross multiply
    5,603.35x = 8,403.06 × 1,653.56
  4. Step 4: Simplify right side
    5,603.35x = 13,894,963.89
  5. Step 5: Solve for x
    x = 13,894,963.89/5,603.35
  6. Step 6: Final answer
    x = 2,479.76

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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.