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Finding the Fourth Proportional to 4,603.62, 6,904.32 and 1,315.92

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Solution

The fourth proportional to 4,603.62, 6,904.32 and 1,315.92 is: 1,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,603.62 : 6,904.32 = 1,315.92 : x
  2. Step 2: Convert to fraction form
    4,603.62/6,904.32 = 1,315.92/x
  3. Step 3: Cross multiply
    4,603.62x = 6,904.32 × 1,315.92
  4. Step 4: Simplify right side
    4,603.62x = 9,085,532.77
  5. Step 5: Solve for x
    x = 9,085,532.77/4,603.62
  6. Step 6: Final answer
    x = 1,973.56

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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.