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Finding the Fourth Proportional to 44,288.80, 66,418.80 and 14,701.60

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Solution

The fourth proportional to 44,288.80, 66,418.80 and 14,701.60 is: 22,047.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,288.80 : 66,418.80 = 14,701.60 : x
  2. Step 2: Convert to fraction form
    44,288.80/66,418.80 = 14,701.60/x
  3. Step 3: Cross multiply
    44,288.80x = 66,418.80 × 14,701.60
  4. Step 4: Simplify right side
    44,288.80x = 976,462,630.08
  5. Step 5: Solve for x
    x = 976,462,630.08/44,288.80
  6. Step 6: Final answer
    x = 22,047.62

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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.