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Finding the Fourth Proportional to 9,897.58, 14,847.12 and 3,323.80

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Solution

The fourth proportional to 9,897.58, 14,847.12 and 3,323.80 is: 4,985.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,897.58 : 14,847.12 = 3,323.80 : x
  2. Step 2: Convert to fraction form
    9,897.58/14,847.12 = 3,323.80/x
  3. Step 3: Cross multiply
    9,897.58x = 14,847.12 × 3,323.80
  4. Step 4: Simplify right side
    9,897.58x = 49,348,857.46
  5. Step 5: Solve for x
    x = 49,348,857.46/9,897.58
  6. Step 6: Final answer
    x = 4,985.95

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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.