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Finding the Fourth Proportional to 44,521.44, 66,808.08 and 16,821.60

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Solution

The fourth proportional to 44,521.44, 66,808.08 and 16,821.60 is: 25,242.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,521.44 : 66,808.08 = 16,821.60 : x
  2. Step 2: Convert to fraction form
    44,521.44/66,808.08 = 16,821.60/x
  3. Step 3: Cross multiply
    44,521.44x = 66,808.08 × 16,821.60
  4. Step 4: Simplify right side
    44,521.44x = 1,123,818,798.53
  5. Step 5: Solve for x
    x = 1,123,818,798.53/44,521.44
  6. Step 6: Final answer
    x = 25,242.19

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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.