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Finding the Fourth Proportional to 32,700.80, 49,051.20 and 17,123.20

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Solution

The fourth proportional to 32,700.80, 49,051.20 and 17,123.20 is: 25,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,700.80 : 49,051.20 = 17,123.20 : x
  2. Step 2: Convert to fraction form
    32,700.80/49,051.20 = 17,123.20/x
  3. Step 3: Cross multiply
    32,700.80x = 49,051.20 × 17,123.20
  4. Step 4: Simplify right side
    32,700.80x = 839,913,507.84
  5. Step 5: Solve for x
    x = 839,913,507.84/32,700.80
  6. Step 6: Final answer
    x = 25,684.80

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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.