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Finding the Fourth Proportional to 22,035.60, 32,977.80 and 13,276.80

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Solution

The fourth proportional to 22,035.60, 32,977.80 and 13,276.80 is: 19,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,035.60 : 32,977.80 = 13,276.80 : x
  2. Step 2: Convert to fraction form
    22,035.60/32,977.80 = 13,276.80/x
  3. Step 3: Cross multiply
    22,035.60x = 32,977.80 × 13,276.80
  4. Step 4: Simplify right side
    22,035.60x = 437,839,655.04
  5. Step 5: Solve for x
    x = 437,839,655.04/22,035.60
  6. Step 6: Final answer
    x = 19,869.65

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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.