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Finding the Fourth Proportional to 14,903.60, 22,366.20 and 9,971.60

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Solution

The fourth proportional to 14,903.60, 22,366.20 and 9,971.60 is: 14,964.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,903.60 : 22,366.20 = 9,971.60 : x
  2. Step 2: Convert to fraction form
    14,903.60/22,366.20 = 9,971.60/x
  3. Step 3: Cross multiply
    14,903.60x = 22,366.20 × 9,971.60
  4. Step 4: Simplify right side
    14,903.60x = 223,026,799.92
  5. Step 5: Solve for x
    x = 223,026,799.92/14,903.60
  6. Step 6: Final answer
    x = 14,964.63

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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.