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Finding the Fourth Proportional to 8,970.03, 13,454.36 and 3,973.95

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Solution

The fourth proportional to 8,970.03, 13,454.36 and 3,973.95 is: 5,960.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.03 : 13,454.36 = 3,973.95 : x
  2. Step 2: Convert to fraction form
    8,970.03/13,454.36 = 3,973.95/x
  3. Step 3: Cross multiply
    8,970.03x = 13,454.36 × 3,973.95
  4. Step 4: Simplify right side
    8,970.03x = 53,466,953.92
  5. Step 5: Solve for x
    x = 53,466,953.92/8,970.03
  6. Step 6: Final answer
    x = 5,960.62

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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.